Q: What are the prime factors of the number 45,523,566?

 A: 2, 3, 11, 173, 443

Why are those the prime factors of the number 45,523,566?

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 45,523,566

45,523,566
Factor Arrows
222,761,783
Factor Arrows
37,587,261
Factor Arrows
32,529,087
Factor Arrows
3843,029
Factor Arrows
1176,639
Factor Arrows
173443

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, 11, 173, 443

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 11 x 173 x 443 = 45,523,566

This can also be written as 21 x 33 x 111 x 1731 x 4431 = 45,523,566

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


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