Q: What are the prime factors of the number 123,766,695?

 A: 3, 5, 13, 83, 2549

Why are those the prime factors of the number 123,766,695?

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 123,766,695

123,766,695
Factor Arrows
341,255,565
Factor Arrows
313,751,855
Factor Arrows
52,750,371
Factor Arrows
13211,567
Factor Arrows
832,549

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:

3, 5, 13, 83, 2549

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 13 x 83 x 2,549 = 123,766,695

This can also be written as 32 x 51 x 131 x 831 x 2,5491 = 123,766,695

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


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