Q: What are the prime factors of the number 103,241,136?

 A: 2, 3, 17, 19, 6659

Why are those the prime factors of the number 103,241,136?

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 103,241,136

103,241,136
Factor Arrows
251,620,568
Factor Arrows
225,810,284
Factor Arrows
212,905,142
Factor Arrows
26,452,571
Factor Arrows
32,150,857
Factor Arrows
17126,521
Factor Arrows
196,659

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, 17, 19, 6659

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 19 x 6,659 = 103,241,136

This can also be written as 24 x 31 x 171 x 191 x 6,6591 = 103,241,136

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


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