Q: What are the prime factors of the number 310,100,128?

 A: 2, 13, 17, 3373

Why are those the prime factors of the number 310,100,128?

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 310,100,128

310,100,128
Factor Arrows
2155,050,064
Factor Arrows
277,525,032
Factor Arrows
238,762,516
Factor Arrows
219,381,258
Factor Arrows
29,690,629
Factor Arrows
13745,433
Factor Arrows
1357,341
Factor Arrows
173,373

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, 13, 17, 3373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 13 x 13 x 17 x 3,373 = 310,100,128

This can also be written as 25 x 132 x 171 x 3,3731 = 310,100,128

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


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