Q: What are the prime factors of the number 915,472?

 A: 2, 29, 1973

Why are those the prime factors of the number 915,472?

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 915,472

915,472
Factor Arrows
2457,736
Factor Arrows
2228,868
Factor Arrows
2114,434
Factor Arrows
257,217
Factor Arrows
291,973

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, 29, 1973

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 29 x 1,973 = 915,472

This can also be written as 24 x 291 x 1,9731 = 915,472

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


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