Q: What are the prime factors of the number 101,103,120?

 A: 2, 3, 5, 46807

Why are those the prime factors of the number 101,103,120?

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 101,103,120

101,103,120
Factor Arrows
250,551,560
Factor Arrows
225,275,780
Factor Arrows
212,637,890
Factor Arrows
26,318,945
Factor Arrows
32,106,315
Factor Arrows
3702,105
Factor Arrows
3234,035
Factor Arrows
546,807

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, 3, 5, 46807

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 46,807 = 101,103,120

This can also be written as 24 x 33 x 51 x 46,8071 = 101,103,120

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


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