Q: What are the prime factors of the number 572,376,640?

 A: 2, 5, 11, 113, 1439

Why are those the prime factors of the number 572,376,640?

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 572,376,640

572,376,640
Factor Arrows
2286,188,320
Factor Arrows
2143,094,160
Factor Arrows
271,547,080
Factor Arrows
235,773,540
Factor Arrows
217,886,770
Factor Arrows
28,943,385
Factor Arrows
51,788,677
Factor Arrows
11162,607
Factor Arrows
1131,439

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, 5, 11, 113, 1439

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 11 x 113 x 1,439 = 572,376,640

This can also be written as 26 x 51 x 111 x 1131 x 1,4391 = 572,376,640

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


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