Q: What are the prime factors of the number 45,024,530?

 A: 2, 5, 29, 107, 1451

Why are those the prime factors of the number 45,024,530?

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 45,024,530

45,024,530
Factor Arrows
222,512,265
Factor Arrows
54,502,453
Factor Arrows
29155,257
Factor Arrows
1071,451

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, 5, 29, 107, 1451

We can check our work by multiplying all of the prime factors together: 2 x 5 x 29 x 107 x 1,451 = 45,024,530

This can also be written as 21 x 51 x 291 x 1071 x 1,4511 = 45,024,530

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


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