Q: What are the prime factors of the number 4,662,372?

 A: 2, 3, 11, 13, 19

Why are those the prime factors of the number 4,662,372?

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 4,662,372

4,662,372
Factor Arrows
22,331,186
Factor Arrows
21,165,593
Factor Arrows
3388,531
Factor Arrows
1135,321
Factor Arrows
113,211
Factor Arrows
13247
Factor Arrows
1319

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, 11, 13, 19

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 11 x 11 x 13 x 13 x 19 = 4,662,372

This can also be written as 22 x 31 x 112 x 132 x 191 = 4,662,372

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


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