Q: What are the prime factors of the number 4,515,156?

 A: 2, 3, 97, 431

Why are those the prime factors of the number 4,515,156?

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 4,515,156

4,515,156
Factor Arrows
22,257,578
Factor Arrows
21,128,789
Factor Arrows
3376,263
Factor Arrows
3125,421
Factor Arrows
341,807
Factor Arrows
97431

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, 97, 431

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 97 x 431 = 4,515,156

This can also be written as 22 x 33 x 971 x 4311 = 4,515,156

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


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