Q: What are the prime factors of the number 42,063,268?

 A: 2, 13, 101, 8009

Why are those the prime factors of the number 42,063,268?

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 42,063,268

42,063,268
Factor Arrows
221,031,634
Factor Arrows
210,515,817
Factor Arrows
13808,909
Factor Arrows
1018,009

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:

2, 13, 101, 8009

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 101 x 8,009 = 42,063,268

This can also be written as 22 x 131 x 1011 x 8,0091 = 42,063,268

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


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