Factors of 945
Answer
Factors: 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945
Number of factors: 16
Factor pairs: (1, 945), (3, 315), (5, 189), (7, 135), (9, 105), (15, 63), (21, 45), (27, 35)
Prime Factorization
945 = 33 × 5 × 7
Properties
- This number is not prime
- This number is not a perfect square
- This is an odd number
- Sum of all factors: 1,920
Check Numbers from 1 to 945
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Understanding the Factors of 945
When we look at the number 945, we find that it has 16 factors in total. These are the numbers that divide evenly into 945 with no remainder.
This number is composite, meaning it has more than two factors. It can be written as the product of its prime factors: 33 × 5 × 7.
Factor Pairs
The factors of 945 can be arranged in pairs: (1, 945), (3, 315), (5, 189), (7, 135), (9, 105), (15, 63), (21, 45), (27, 35). Each pair multiplies to give 945.