Q: What are the prime factors of the number 32,220,784?

 A: 2, 37, 1471

Why are those the prime factors of the number 32,220,784?

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 32,220,784

32,220,784
Factor Arrows
216,110,392
Factor Arrows
28,055,196
Factor Arrows
24,027,598
Factor Arrows
22,013,799
Factor Arrows
3754,427
Factor Arrows
371,471

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, 37, 1471

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 37 x 37 x 1,471 = 32,220,784

This can also be written as 24 x 372 x 1,4711 = 32,220,784

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


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