Q: What are the prime factors of the number 76,266,421?

 A: 7, 11, 127, 709

Why are those the prime factors of the number 76,266,421?

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 76,266,421

76,266,421
Factor Arrows
710,895,203
Factor Arrows
11990,473
Factor Arrows
1190,043
Factor Arrows
127709

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, 127, 709

We can check our work by multiplying all of the prime factors together: 7 x 11 x 11 x 127 x 709 = 76,266,421

This can also be written as 71 x 112 x 1271 x 7091 = 76,266,421

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


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