Q: What are the prime factors of the number 624,316?

 A: 2, 7, 11, 2027

Why are those the prime factors of the number 624,316?

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 624,316

624,316
Factor Arrows
2312,158
Factor Arrows
2156,079
Factor Arrows
722,297
Factor Arrows
112,027

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, 7, 11, 2027

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 2,027 = 624,316

This can also be written as 22 x 71 x 111 x 2,0271 = 624,316

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


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