Q: What are the prime factors of the number 305,453,415?

 A: 3, 5, 127, 160343

Why are those the prime factors of the number 305,453,415?

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 305,453,415

305,453,415
Factor Arrows
3101,817,805
Factor Arrows
520,363,561
Factor Arrows
127160,343

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, 127, 160343

We can check our work by multiplying all of the prime factors together: 3 x 5 x 127 x 160,343 = 305,453,415

This can also be written as 31 x 51 x 1271 x 160,3431 = 305,453,415

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


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