Q: What are the prime factors of the number 13,435,500?

 A: 2, 3, 5, 13, 53

Why are those the prime factors of the number 13,435,500?

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 13,435,500

13,435,500
Factor Arrows
26,717,750
Factor Arrows
23,358,875
Factor Arrows
31,119,625
Factor Arrows
5223,925
Factor Arrows
544,785
Factor Arrows
58,957
Factor Arrows
13689
Factor Arrows
1353

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, 13, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 5 x 13 x 13 x 53 = 13,435,500

This can also be written as 22 x 31 x 53 x 132 x 531 = 13,435,500

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


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