Q: What are the prime factors of the number 65,714,472?

 A: 2, 3, 41, 113, 197

Why are those the prime factors of the number 65,714,472?

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 65,714,472

65,714,472
Factor Arrows
232,857,236
Factor Arrows
216,428,618
Factor Arrows
28,214,309
Factor Arrows
32,738,103
Factor Arrows
3912,701
Factor Arrows
4122,261
Factor Arrows
113197

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, 41, 113, 197

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 41 x 113 x 197 = 65,714,472

This can also be written as 23 x 32 x 411 x 1131 x 1971 = 65,714,472

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


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