Q: What are the prime factors of the number 731,034,260?

 A: 2, 5, 11, 103, 32261

Why are those the prime factors of the number 731,034,260?

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 731,034,260

731,034,260
Factor Arrows
2365,517,130
Factor Arrows
2182,758,565
Factor Arrows
536,551,713
Factor Arrows
113,322,883
Factor Arrows
10332,261

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, 11, 103, 32261

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 103 x 32,261 = 731,034,260

This can also be written as 22 x 51 x 111 x 1031 x 32,2611 = 731,034,260

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


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