Factors of 7938
Factors of 7938 are the list of integers that we can split evenly into 7938. It has total 30 factors of which 7938 is the biggest factor and the prime factors of 7938 are 2, 3, 7. The Prime Factorization of 7938 is 21 × 34 × 72.
- All Factors of 7938: 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969 and 7938
- Prime Factors of 7938: 2, 3, 7
- Prime Factorization of 7938: 21 × 34 × 72
- Sum of Factors of 7938: 20691
1. | What Are the Factors of 7938? |
2. | Factors of 7938 by Prime Factorization |
3. | Factors of 7938 in Pairs |
4. | FAQs on Factors of 7938 |

What are Factors of 7938?
Factors of 7938 are pairs of those numbers whose products result in 7938. These factors are either prime numbers or composite numbers.
How to Find the Factors of 7938?
To find the factors of 7938, we will have to find the list of numbers that would divide 7938 without leaving any remainder.
- 7938/54 = 147; therefore, 54 is a factor of 7938 and 147 is also a factor of 7938.
- 7938/294 = 27; therefore, 294 is a factor of 7938 and 27 is also a factor of 7938.
☛ Also Check:
- Factors of 63 - The factors of 63 are 1, 3, 7, 9, 21, 63
- Factors of 20 - The factors of 20 are 1, 2, 4, 5, 10, 20
- Factors of 29 - The factors of 29 are 1, 29
- Factors of 144 - The factors of 144 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
- Factors of 108 - The factors of 108 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108
Factors of 7938 by Prime Factorization
- 7938 ÷ 2 = 3969
Further dividing 3969 by 2 gives a non-zero remainder. So we stop the process and continue dividing the number 3969 by the next smallest prime factor. We stop ultimately if the next prime factor doesn't exist or when we can't divide any further.
So, the prime factorization of 7938 can be written as 21 × 34 × 72 where 2, 3, 7 are prime.
Factors of 7938 in Pairs
Pair factors of 7938 are the pairs of numbers that when multiplied give the product 7938. The factors of 7938 in pairs are:
- 1 × 7938 = (1, 7938)
- 2 × 3969 = (2, 3969)
- 3 × 2646 = (3, 2646)
- 6 × 1323 = (6, 1323)
- 7 × 1134 = (7, 1134)
- 9 × 882 = (9, 882)
- 14 × 567 = (14, 567)
- 18 × 441 = (18, 441)
- 21 × 378 = (21, 378)
- 27 × 294 = (27, 294)
- 42 × 189 = (42, 189)
- 49 × 162 = (49, 162)
- 54 × 147 = (54, 147)
- 63 × 126 = (63, 126)
- 81 × 98 = (81, 98)
Negative pair factors of 7938 are:
- -1 × -7938 = (-1, -7938)
- -2 × -3969 = (-2, -3969)
- -3 × -2646 = (-3, -2646)
- -6 × -1323 = (-6, -1323)
- -7 × -1134 = (-7, -1134)
- -9 × -882 = (-9, -882)
- -14 × -567 = (-14, -567)
- -18 × -441 = (-18, -441)
- -21 × -378 = (-21, -378)
- -27 × -294 = (-27, -294)
- -42 × -189 = (-42, -189)
- -49 × -162 = (-49, -162)
- -54 × -147 = (-54, -147)
- -63 × -126 = (-63, -126)
- -81 × -98 = (-81, -98)
NOTE: If (a, b) is a pair factor of a number then (b, a) is also a pair factor of that number.
Factors of 7938 Solved Examples
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Example 1: How many factors are there for 7938?
Solution:
The factors of 7938 are too many, therefore if we can find the prime factorization of 7938, then the total number of factors can be calculated using the formula shown below.
If the prime factorization of the number is ax × by × cz where a, b, c are prime, then the total number of factors can be given by (x + 1)(y + 1)(z + 1).
Prime Factorization of 7938 = 21 × 34 × 72
Therefore, the total number of factors are (1 + 1) × (4 + 1) × (2 + 1) = 2 × 5 × 3 = 30 -
Example 2: Find the Least Common Multiple and Highest Common Factor (HCF) of 7938 and 873.
Solution:
The factors of 7938 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938 and factors of 873 are 1, 3, 9, 97, 291, 873.
Therefore, the Least Common Multiple of 7938 and 873 is 769986 and Highest Common Factor (HCF) of 7938 and 873 is 9. -
Example 3: Find if 2, 7, 15, 54, 126, 189, 882 and 7938 are factors of 7938.
Solution:
When we divide 7938 by 15 it leaves a remainder. Therefore, the number 15 is not a factor of 7938. All numbers except 15 are factors of 7938.
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Example 4: Find the product of all the prime factors of 7938.
Solution:
Since, the prime factors of 7938 are 2, 3, 7. Therefore, the product of prime factors = 2 × 3 × 7 = 42.
FAQs on Factors of 7938
What are the Factors of 7938?
The factors of 7938 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938 and its negative factors are -1, -2, -3, -6, -7, -9, -14, -18, -21, -27, -42, -49, -54, -63, -81, -98, -126, -147, -162, -189, -294, -378, -441, -567, -882, -1134, -1323, -2646, -3969, -7938.
What is the Sum of the Factors of 7938?
Sum of all factors of 7938 = (21 + 1 - 1)/(2 - 1) × (34 + 1 - 1)/(3 - 1) × (72 + 1 - 1)/(7 - 1) = 20691
What are the Pair Factors of 7938?
The pair factors of 7938 are (1, 7938), (2, 3969), (3, 2646), (6, 1323), (7, 1134), (9, 882), (14, 567), (18, 441), (21, 378), (27, 294), (42, 189), (49, 162), (54, 147), (63, 126), (81, 98).
What is the Greatest Common Factor of 7938 and 4759?
The factors of 7938 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938 and the factors of 4759 are 1, 4759. 7938 and 4759 have only one common factor which is 1. This implies that 7938 and 4759 are co-prime.
Hence, the Greatest Common Factor (GCF) of 7938 and 4759 is 1.
How Many Factors of 7938 are also common to the Factors of 7368?
Since, the factors of 7938 are 1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 294, 378, 441, 567, 882, 1134, 1323, 2646, 3969, 7938 and the factors of 7368 are 1, 2, 3, 4, 6, 8, 12, 24, 307, 614, 921, 1228, 1842, 2456, 3684, 7368.
Hence, [1, 2, 3, 6] are the common factors of 7938 and 7368.
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