Q: What are the prime factors of the number 310,130,048?

 A: 2, 17, 359, 397

Why are those the prime factors of the number 310,130,048?

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 310,130,048

310,130,048
Factor Arrows
2155,065,024
Factor Arrows
277,532,512
Factor Arrows
238,766,256
Factor Arrows
219,383,128
Factor Arrows
29,691,564
Factor Arrows
24,845,782
Factor Arrows
22,422,891
Factor Arrows
17142,523
Factor Arrows
359397

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, 17, 359, 397

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 17 x 359 x 397 = 310,130,048

This can also be written as 27 x 171 x 3591 x 3971 = 310,130,048

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


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