Q: What are the prime factors of the number 655,122,364?

 A: 2, 13, 619, 20353

Why are those the prime factors of the number 655,122,364?

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 655,122,364

655,122,364
Factor Arrows
2327,561,182
Factor Arrows
2163,780,591
Factor Arrows
1312,598,507
Factor Arrows
61920,353

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, 13, 619, 20353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 619 x 20,353 = 655,122,364

This can also be written as 22 x 131 x 6191 x 20,3531 = 655,122,364

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


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