Q: What are the prime factors of the number 42,350,555?

 A: 5, 13, 50119

Why are those the prime factors of the number 42,350,555?

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 42,350,555

42,350,555
Factor Arrows
58,470,111
Factor Arrows
13651,547
Factor Arrows
1350,119

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:

5, 13, 50119

We can check our work by multiplying all of the prime factors together: 5 x 13 x 13 x 50,119 = 42,350,555

This can also be written as 51 x 132 x 50,1191 = 42,350,555

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


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