Q: What are the prime factors of the number 653,524,668?

 A: 2, 3, 23, 389, 2029

Why are those the prime factors of the number 653,524,668?

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 653,524,668

653,524,668
Factor Arrows
2326,762,334
Factor Arrows
2163,381,167
Factor Arrows
354,460,389
Factor Arrows
318,153,463
Factor Arrows
23789,281
Factor Arrows
3892,029

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, 3, 23, 389, 2029

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 23 x 389 x 2,029 = 653,524,668

This can also be written as 22 x 32 x 231 x 3891 x 2,0291 = 653,524,668

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


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