Q: What are the prime factors of the number 41,531,625?

 A: 3, 5, 19, 29, 67

Why are those the prime factors of the number 41,531,625?

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 41,531,625

41,531,625
Factor Arrows
313,843,875
Factor Arrows
34,614,625
Factor Arrows
5922,925
Factor Arrows
5184,585
Factor Arrows
536,917
Factor Arrows
191,943
Factor Arrows
2967

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:

3, 5, 19, 29, 67

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 5 x 19 x 29 x 67 = 41,531,625

This can also be written as 32 x 53 x 191 x 291 x 671 = 41,531,625

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


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