Q: What are the prime factors of the number 605,471,226?

 A: 2, 3, 137, 197, 3739

Why are those the prime factors of the number 605,471,226?

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 605,471,226

605,471,226
Factor Arrows
2302,735,613
Factor Arrows
3100,911,871
Factor Arrows
137736,583
Factor Arrows
1973,739

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, 137, 197, 3739

We can check our work by multiplying all of the prime factors together: 2 x 3 x 137 x 197 x 3,739 = 605,471,226

This can also be written as 21 x 31 x 1371 x 1971 x 3,7391 = 605,471,226

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


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