Q: What are the prime factors of the number 122,222,513?

 A: 7, 47, 73, 727

Why are those the prime factors of the number 122,222,513?

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 122,222,513

122,222,513
Factor Arrows
717,460,359
Factor Arrows
72,494,337
Factor Arrows
4753,071
Factor Arrows
73727

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, 47, 73, 727

We can check our work by multiplying all of the prime factors together: 7 x 7 x 47 x 73 x 727 = 122,222,513

This can also be written as 72 x 471 x 731 x 7271 = 122,222,513

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


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