Q: What are the prime factors of the number 36,622,440?

 A: 2, 3, 5, 23, 4423

Why are those the prime factors of the number 36,622,440?

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 36,622,440

36,622,440
Factor Arrows
218,311,220
Factor Arrows
29,155,610
Factor Arrows
24,577,805
Factor Arrows
31,525,935
Factor Arrows
3508,645
Factor Arrows
5101,729
Factor Arrows
234,423

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, 5, 23, 4423

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 23 x 4,423 = 36,622,440

This can also be written as 23 x 32 x 51 x 231 x 4,4231 = 36,622,440

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


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