Q: What are the prime factors of the number 308,255,753?

 A: 13, 19, 41, 61, 499

Why are those the prime factors of the number 308,255,753?

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 308,255,753

308,255,753
Factor Arrows
1323,711,981
Factor Arrows
191,247,999
Factor Arrows
4130,439
Factor Arrows
61499

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:

13, 19, 41, 61, 499

We can check our work by multiplying all of the prime factors together: 13 x 19 x 41 x 61 x 499 = 308,255,753

This can also be written as 131 x 191 x 411 x 611 x 4991 = 308,255,753

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


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