Q: What are the prime factors of the number 310,314,403?

 A: 7, 19, 149, 2237

Why are those the prime factors of the number 310,314,403?

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 310,314,403

310,314,403
Factor Arrows
744,330,629
Factor Arrows
76,332,947
Factor Arrows
19333,313
Factor Arrows
1492,237

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:

7, 19, 149, 2237

We can check our work by multiplying all of the prime factors together: 7 x 7 x 19 x 149 x 2,237 = 310,314,403

This can also be written as 72 x 191 x 1491 x 2,2371 = 310,314,403

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


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