Q: What are the prime factors of the number 601,221,495?

 A: 3, 5, 7, 23, 241, 1033

Why are those the prime factors of the number 601,221,495?

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 601,221,495

601,221,495
Factor Arrows
3200,407,165
Factor Arrows
540,081,433
Factor Arrows
75,725,919
Factor Arrows
23248,953
Factor Arrows
2411,033

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, 5, 7, 23, 241, 1033

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 23 x 241 x 1,033 = 601,221,495

This can also be written as 31 x 51 x 71 x 231 x 2411 x 1,0331 = 601,221,495

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


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