Q: What are the prime factors of the number 47,445,036?

 A: 2, 3, 41, 73, 1321

Why are those the prime factors of the number 47,445,036?

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 47,445,036

47,445,036
Factor Arrows
223,722,518
Factor Arrows
211,861,259
Factor Arrows
33,953,753
Factor Arrows
4196,433
Factor Arrows
731,321

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, 73, 1321

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 41 x 73 x 1,321 = 47,445,036

This can also be written as 22 x 31 x 411 x 731 x 1,3211 = 47,445,036

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


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