Factors of 1845
Factors of 1845 are the list of integers that can be evenly divided into 1845. It has total 12 factors of which 1845 is the biggest factor and the prime factors of 1845 are 3, 5, 41. The Prime Factorization of 1845 is 32 × 51 × 411.
- All Factors of 1845: 1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615 and 1845
- Prime Factors of 1845: 3, 5, 41
- Prime Factorization of 1845: 32 × 51 × 411
- Sum of Factors of 1845: 3276
1. | What Are the Factors of 1845? |
2. | Factors of 1845 by Prime Factorization |
3. | Factors of 1845 in Pairs |
4. | FAQs on Factors of 1845 |

What are Factors of 1845?
Factors of 1845 are pairs of those numbers whose products result in 1845. These factors are either prime numbers or composite numbers.
How to Find the Factors of 1845?
To find the factors of 1845, we will have to find the list of numbers that would divide 1845 without leaving any remainder.
- 1845/15 = 123; therefore, 15 is a factor of 1845 and 123 is also a factor of 1845.
- 1845/369 = 5; therefore, 369 is a factor of 1845 and 5 is also a factor of 1845.
☛ Also Check:
- Factors of 27 - The factors of 27 are 1, 3, 9, 27
- Factors of 32 - The factors of 32 are 1, 2, 4, 8, 16, 32
- Factors of 84 - The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
- Factors of 125 - The factors of 125 are 1, 5, 25, 125
- Factors of 51 - The factors of 51 are 1, 3, 17, 51
Factors of 1845 by Prime Factorization
- 1845 ÷ 3 = 615
- 615 ÷ 3 = 205
Further dividing 205 by 3 gives a non-zero remainder. So we stop the process and continue dividing the number 205 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 1845 can be written as 32 × 51 × 411 where 3, 5, 41 are prime.
Factors of 1845 in Pairs
Pair factors of 1845 are the pairs of numbers that when multiplied give the product 1845. The factors of 1845 in pairs are:
- 1 × 1845 = (1, 1845)
- 3 × 615 = (3, 615)
- 5 × 369 = (5, 369)
- 9 × 205 = (9, 205)
- 15 × 123 = (15, 123)
- 41 × 45 = (41, 45)
Negative pair factors of 1845 are:
- -1 × -1845 = (-1, -1845)
- -3 × -615 = (-3, -615)
- -5 × -369 = (-5, -369)
- -9 × -205 = (-9, -205)
- -15 × -123 = (-15, -123)
- -41 × -45 = (-41, -45)
NOTE: If (a, b) is a pair factor of a number then (b, a) is also a pair factor of that number.
Factors of 1845 Solved Examples
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Example 1: How many factors are there for 1845?
Solution:
The factors of 1845 are too many, therefore if we can find the prime factorization of 1845, 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 1845 = 32 × 51 × 411
Therefore, the total number of factors are (2 + 1) × (1 + 1) × (1 + 1) = 3 × 2 × 2 = 12 -
Example 2: Find the Lowest Common Multiple (LCM) and Greatest Common Divisor (GCD) of 1845 and 1829.
Solution:
The factors of 1845 are 1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845 and factors of 1829 are 1, 31, 59, 1829.
Therefore, the Lowest Common Multiple (LCM) of 1845 and 1829 is 3374505 and Greatest Common Divisor (GCD) of 1845 and 1829 is 1. -
Example 3: Find if 5, 15, 45, 205, 369, 1579 and 1845 are factors of 1845.
Solution:
When we divide 1845 by 1579 it leaves a remainder. Therefore, the number 1579 is not a factor of 1845. All numbers except 1579 are factors of 1845.
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Example 4: Find the product of all the prime factors of 1845.
Solution:
Since, the prime factors of 1845 are 3, 5, 41. Therefore, the product of prime factors = 3 × 5 × 41 = 615.
FAQs on Factors of 1845
What are the Factors of 1845?
The factors of 1845 are 1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845 and its negative factors are -1, -3, -5, -9, -15, -41, -45, -123, -205, -369, -615, -1845.
What is the Sum of all the Factors of 1845?
Sum of all factors of 1845 = (32 + 1 - 1)/(3 - 1) × (51 + 1 - 1)/(5 - 1) × (411 + 1 - 1)/(41 - 1) = 3276
What are the Pair Factors of 1845?
The pair factors of 1845 are (1, 1845), (3, 615), (5, 369), (9, 205), (15, 123), (41, 45).
What is the Greatest Common Factor of 1845 and 83?
The factors of 1845 are 1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845 and the factors of 83 are 1, 83. 1845 and 83 have only one common factor which is 1. This implies that 1845 and 83 are co-prime.
Hence, the Greatest Common Factor (GCF) of 1845 and 83 is 1.
How Many Factors of 1845 are also Factors of 1635?
Since, the factors of 1845 are 1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845 and the factors of 1635 are 1, 3, 5, 15, 109, 327, 545, 1635.
Hence, [1, 3, 5, 15] are the common factors of 1845 and 1635.
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