Q: What are the prime factors of the number 53,355,625?

 A: 5, 85369

Why are those the prime factors of the number 53,355,625?

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 53,355,625

53,355,625
Factor Arrows
510,671,125
Factor Arrows
52,134,225
Factor Arrows
5426,845
Factor Arrows
585,369

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:

5, 85369

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 5 x 85,369 = 53,355,625

This can also be written as 54 x 85,3691 = 53,355,625

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


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