Q: What are the prime factors of the number 601,653,115?

 A: 5, 7, 31, 37, 2141

Why are those the prime factors of the number 601,653,115?

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 601,653,115

601,653,115
Factor Arrows
5120,330,623
Factor Arrows
717,190,089
Factor Arrows
72,455,727
Factor Arrows
3179,217
Factor Arrows
372,141

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, 7, 31, 37, 2141

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 31 x 37 x 2,141 = 601,653,115

This can also be written as 51 x 72 x 311 x 371 x 2,1411 = 601,653,115

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


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