Q: What are the prime factors of the number 140,656,503?

 A: 3, 13, 277429

Why are those the prime factors of the number 140,656,503?

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 140,656,503

140,656,503
Factor Arrows
346,885,501
Factor Arrows
133,606,577
Factor Arrows
13277,429

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:

3, 13, 277429

We can check our work by multiplying all of the prime factors together: 3 x 13 x 13 x 277,429 = 140,656,503

This can also be written as 31 x 132 x 277,4291 = 140,656,503

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


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