Q: What are the prime factors of the number 307,607,690?

 A: 2, 5, 13, 17, 181, 769

Why are those the prime factors of the number 307,607,690?

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 307,607,690

307,607,690
Factor Arrows
2153,803,845
Factor Arrows
530,760,769
Factor Arrows
132,366,213
Factor Arrows
17139,189
Factor Arrows
181769

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, 13, 17, 181, 769

We can check our work by multiplying all of the prime factors together: 2 x 5 x 13 x 17 x 181 x 769 = 307,607,690

This can also be written as 21 x 51 x 131 x 171 x 1811 x 7691 = 307,607,690

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


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