Q: What are the prime factors of the number 45,572,968?

 A: 2, 7, 103, 7901

Why are those the prime factors of the number 45,572,968?

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 45,572,968

45,572,968
Factor Arrows
222,786,484
Factor Arrows
211,393,242
Factor Arrows
25,696,621
Factor Arrows
7813,803
Factor Arrows
1037,901

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, 7, 103, 7901

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 103 x 7,901 = 45,572,968

This can also be written as 23 x 71 x 1031 x 7,9011 = 45,572,968

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


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