Q: What are the prime factors of the number 32,900,160?

 A: 2, 3, 5, 43, 797

Why are those the prime factors of the number 32,900,160?

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 32,900,160

32,900,160
Factor Arrows
216,450,080
Factor Arrows
28,225,040
Factor Arrows
24,112,520
Factor Arrows
22,056,260
Factor Arrows
21,028,130
Factor Arrows
2514,065
Factor Arrows
3171,355
Factor Arrows
534,271
Factor Arrows
43797

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, 43, 797

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 5 x 43 x 797 = 32,900,160

This can also be written as 26 x 31 x 51 x 431 x 7971 = 32,900,160

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


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