Factors of 1729
Factors of 1729 are numbers that, when multiplied in pairs give the product as 1729. There are total 8 factors of 1729 i.e. 1, 7, 13, 19, 91, 133, 247, 1729. The Prime Factors and Pair Factors of 1729 are 7 × 13 × 19 and (1, 1729), (7, 247), (13, 133), (19, 91) respectively.
- All Factors of 1729: 1, 7, 13, 19, 91, 133, 247 and 1729
- Negative Factors of 1729: -1, -7, -13, -19, -91, -133, -247 and -1729
- Prime Factors of 1729: 7, 13, 19
- Prime Factorization of 1729: 71 × 131 × 191
- Sum of Factors of 1729: 2240
1. | What Are the Factors of 1729? |
2. | Factors of 1729 by Prime Factorization |
3. | Factors of 1729 in Pairs |
4. | FAQs on Factors of 1729 |
What are Factors of 1729?
Factors of 1729 are pairs of those numbers whose products result in 1729. These factors are either prime numbers or composite numbers.
How to Find the Factors of 1729?
To find the factors of 1729, we will have to find the list of numbers that would divide 1729 without leaving any remainder.
- 1729/13 = 133; therefore, 13 is a factor of 1729 and 133 is also a factor of 1729.
- 1729/247 = 7; therefore, 247 is a factor of 1729 and 7 is also a factor of 1729.
☛ Also Check:
- Factors of 80 - The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
- Factors of 125 - The factors of 125 are 1, 5, 25, 125
- Factors of 24 - The factors of 24 are 1, 2, 3, 4, 6, 8, 12, 24
- Factors of 26 - The factors of 26 are 1, 2, 13, 26
- Factors of 40 - The factors of 40 are 1, 2, 4, 5, 8, 10, 20, 40
Factors of 1729 by Prime Factorization
- 1729 ÷ 7 = 247
Further dividing 247 by 7 gives a non-zero remainder. So we stop the process and continue dividing the number 247 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 1729 can be written as 71 × 131 × 191 where 7, 13, 19 are prime.
Factors of 1729 in Pairs
Pair factors of 1729 are the pairs of numbers that when multiplied give the product 1729. The factors of 1729 in pairs are:
- 1 × 1729 = (1, 1729)
- 7 × 247 = (7, 247)
- 13 × 133 = (13, 133)
- 19 × 91 = (19, 91)
Negative pair factors of 1729 are:
- -1 × -1729 = (-1, -1729)
- -7 × -247 = (-7, -247)
- -13 × -133 = (-13, -133)
- -19 × -91 = (-19, -91)
NOTE: If (a, b) is a pair factor of a number then (b, a) is also a pair factor of that number.
Factors of 1729 Solved Examples
-
Example 1: How many factors are there for 1729?
Solution:
The factors of 1729 are 1, 7, 13, 19, 91, 133, 247, 1729. Therefore, 1729 has 8 factors.
-
Example 2: Find the Lowest Common Multiple (LCM) and Highest Common Factor (HCF) of 1729 and 192.
Solution:
The factors of 1729 are 1, 7, 13, 19, 91, 133, 247, 1729 and factors of 192 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192.
Therefore, the Lowest Common Multiple (LCM) of 1729 and 192 is 331968 and Highest Common Factor (HCF) of 1729 and 192 is 1. -
Example 3: Find if 1, 19, 133, 370 and 1729 are factors of 1729.
Solution:
When we divide 1729 by 370 it leaves a remainder. Therefore, the number 370 is not a factor of 1729. All numbers except 370 are factors of 1729.
-
Example 4: Find the product of all the prime factors of 1729.
Solution:
Since, the prime factors of 1729 are 7, 13, 19. Therefore, the product of prime factors = 7 × 13 × 19 = 1729.
FAQs on Factors of 1729
What are the Factors of 1729?
The factors of 1729 are 1, 7, 13, 19, 91, 133, 247, 1729 and its negative factors are -1, -7, -13, -19, -91, -133, -247, -1729.
What is the Sum of all Factors of 1729?
Sum of all factors of 1729 = (71 + 1 - 1)/(7 - 1) × (131 + 1 - 1)/(13 - 1) × (191 + 1 - 1)/(19 - 1) = 2240
What are the Pair Factors of 1729?
The pair factors of 1729 are (1, 1729), (7, 247), (13, 133), (19, 91).
What is the Greatest Common Factor of 1729 and 105?
The factors of 1729 and 105 are 1, 7, 13, 19, 91, 133, 247, 1729 and 1, 3, 5, 7, 15, 21, 35, 105 respectively.
Common factors of 1729 and 105 are [1, 7].
Hence, the Greatest Common Factor (GCF) of 1729 and 105 is 7.
How Many Factors of 1729 are also Factors of 165?
Since, the factors of 1729 are 1, 7, 13, 19, 91, 133, 247, 1729 and factors of 165 are 1, 3, 5, 11, 15, 33, 55, 165. Hence, 1729 and 165 have only one common factor which is 1. Therefore, 1729 and 165 are co-prime.
visual curriculum