Q: What are the prime factors of the number 146,508,615?

 A: 3, 5, 11, 8969

Why are those the prime factors of the number 146,508,615?

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 146,508,615

146,508,615
Factor Arrows
348,836,205
Factor Arrows
316,278,735
Factor Arrows
35,426,245
Factor Arrows
51,085,249
Factor Arrows
1198,659
Factor Arrows
118,969

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, 11, 8969

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 11 x 11 x 8,969 = 146,508,615

This can also be written as 33 x 51 x 112 x 8,9691 = 146,508,615

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


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