Q: What are the prime factors of the number 670,001,720?

 A: 2, 5, 163, 102761

Why are those the prime factors of the number 670,001,720?

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 670,001,720

670,001,720
Factor Arrows
2335,000,860
Factor Arrows
2167,500,430
Factor Arrows
283,750,215
Factor Arrows
516,750,043
Factor Arrows
163102,761

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:

2, 5, 163, 102761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 163 x 102,761 = 670,001,720

This can also be written as 23 x 51 x 1631 x 102,7611 = 670,001,720

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


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