Q: What are the prime factors of the number 156,124,625?

 A: 5, 499, 2503

Why are those the prime factors of the number 156,124,625?

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 156,124,625

156,124,625
Factor Arrows
531,224,925
Factor Arrows
56,244,985
Factor Arrows
51,248,997
Factor Arrows
4992,503

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, 499, 2503

We can check our work by multiplying all of the prime factors together: 5 x 5 x 5 x 499 x 2,503 = 156,124,625

This can also be written as 53 x 4991 x 2,5031 = 156,124,625

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


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