Q: What are the prime factors of the number 56,712,312?

 A: 2, 3, 29173

Why are those the prime factors of the number 56,712,312?

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 56,712,312

56,712,312
Factor Arrows
228,356,156
Factor Arrows
214,178,078
Factor Arrows
27,089,039
Factor Arrows
32,363,013
Factor Arrows
3787,671
Factor Arrows
3262,557
Factor Arrows
387,519
Factor Arrows
329,173

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, 29173

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 29,173 = 56,712,312

This can also be written as 23 x 35 x 29,1731 = 56,712,312

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


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