Q: What are the prime factors of the number 415,968?

 A: 2, 3, 7, 619

Why are those the prime factors of the number 415,968?

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 415,968

415,968
Factor Arrows
2207,984
Factor Arrows
2103,992
Factor Arrows
251,996
Factor Arrows
225,998
Factor Arrows
212,999
Factor Arrows
34,333
Factor Arrows
7619

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, 3, 7, 619

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 619 = 415,968

This can also be written as 25 x 31 x 71 x 6191 = 415,968

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


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