Q: What are the prime factors of the number 32,314,152?

 A: 2, 3, 13, 31, 257

Why are those the prime factors of the number 32,314,152?

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 32,314,152

32,314,152
Factor Arrows
216,157,076
Factor Arrows
28,078,538
Factor Arrows
24,039,269
Factor Arrows
31,346,423
Factor Arrows
13103,571
Factor Arrows
137,967
Factor Arrows
31257

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, 13, 31, 257

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 13 x 13 x 31 x 257 = 32,314,152

This can also be written as 23 x 31 x 132 x 311 x 2571 = 32,314,152

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


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