Q: What are the prime factors of the number 56,525,440?

 A: 2, 5, 88321

Why are those the prime factors of the number 56,525,440?

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 56,525,440

56,525,440
Factor Arrows
228,262,720
Factor Arrows
214,131,360
Factor Arrows
27,065,680
Factor Arrows
23,532,840
Factor Arrows
21,766,420
Factor Arrows
2883,210
Factor Arrows
2441,605
Factor Arrows
588,321

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, 88321

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 2 x 5 x 88,321 = 56,525,440

This can also be written as 27 x 51 x 88,3211 = 56,525,440

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


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