Q: What are the prime factors of the number 32,421,284?

 A: 2, 7, 79, 14657

Why are those the prime factors of the number 32,421,284?

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 32,421,284

32,421,284
Factor Arrows
216,210,642
Factor Arrows
28,105,321
Factor Arrows
71,157,903
Factor Arrows
7914,657

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, 79, 14657

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 79 x 14,657 = 32,421,284

This can also be written as 22 x 71 x 791 x 14,6571 = 32,421,284

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


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