Q: What are the prime factors of the number 42,042,464?

 A: 2, 1313827

Why are those the prime factors of the number 42,042,464?

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 42,042,464

42,042,464
Factor Arrows
221,021,232
Factor Arrows
210,510,616
Factor Arrows
25,255,308
Factor Arrows
22,627,654
Factor Arrows
21,313,827

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, 1313827

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,313,827 = 42,042,464

This can also be written as 25 x 1,313,8271 = 42,042,464

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


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