Q: What are the prime factors of the number 151,743,501?

 A: 3, 7, 13, 41, 4519

Why are those the prime factors of the number 151,743,501?

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 151,743,501

151,743,501
Factor Arrows
350,581,167
Factor Arrows
316,860,389
Factor Arrows
72,408,627
Factor Arrows
13185,279
Factor Arrows
414,519

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, 7, 13, 41, 4519

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 13 x 41 x 4,519 = 151,743,501

This can also be written as 32 x 71 x 131 x 411 x 4,5191 = 151,743,501

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


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