Q: What are the prime factors of the number 654,344,110?

 A: 2, 5, 7, 17, 29, 67, 283

Why are those the prime factors of the number 654,344,110?

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 654,344,110

654,344,110
Factor Arrows
2327,172,055
Factor Arrows
565,434,411
Factor Arrows
79,347,773
Factor Arrows
17549,869
Factor Arrows
2918,961
Factor Arrows
67283

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, 7, 17, 29, 67, 283

We can check our work by multiplying all of the prime factors together: 2 x 5 x 7 x 17 x 29 x 67 x 283 = 654,344,110

This can also be written as 21 x 51 x 71 x 171 x 291 x 671 x 2831 = 654,344,110

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


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