Q: What are the prime factors of the number 42,323,655?

 A: 3, 5, 11, 179, 1433

Why are those the prime factors of the number 42,323,655?

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 42,323,655

42,323,655
Factor Arrows
314,107,885
Factor Arrows
52,821,577
Factor Arrows
11256,507
Factor Arrows
1791,433

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, 11, 179, 1433

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 179 x 1,433 = 42,323,655

This can also be written as 31 x 51 x 111 x 1791 x 1,4331 = 42,323,655

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


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