Q: What are the prime factors of the number 626,055,651?

 A: 3, 13, 17, 37, 47, 181

Why are those the prime factors of the number 626,055,651?

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 626,055,651

626,055,651
Factor Arrows
3208,685,217
Factor Arrows
369,561,739
Factor Arrows
135,350,903
Factor Arrows
17314,759
Factor Arrows
378,507
Factor Arrows
47181

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, 13, 17, 37, 47, 181

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 17 x 37 x 47 x 181 = 626,055,651

This can also be written as 32 x 131 x 171 x 371 x 471 x 1811 = 626,055,651

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


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