Q: What are the prime factors of the number 315,723,762?

 A: 2, 3, 17, 89, 11593

Why are those the prime factors of the number 315,723,762?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 315,723,762

315,723,762
Factor Arrows
2157,861,881
Factor Arrows
352,620,627
Factor Arrows
317,540,209
Factor Arrows
171,031,777
Factor Arrows
8911,593

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

2, 3, 17, 89, 11593

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 17 x 89 x 11,593 = 315,723,762

This can also be written as 21 x 32 x 171 x 891 x 11,5931 = 315,723,762

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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