Q: What are the prime factors of the number 76,000,309?

 A: 7, 11, 761, 1297

Why are those the prime factors of the number 76,000,309?

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 76,000,309

76,000,309
Factor Arrows
710,857,187
Factor Arrows
11987,017
Factor Arrows
7611,297

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:

7, 11, 761, 1297

We can check our work by multiplying all of the prime factors together: 7 x 11 x 761 x 1,297 = 76,000,309

This can also be written as 71 x 111 x 7611 x 1,2971 = 76,000,309

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


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