Q: What are the prime factors of the number 134,338,100?

 A: 2, 5, 13, 7949

Why are those the prime factors of the number 134,338,100?

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 134,338,100

134,338,100
Factor Arrows
267,169,050
Factor Arrows
233,584,525
Factor Arrows
56,716,905
Factor Arrows
51,343,381
Factor Arrows
13103,337
Factor Arrows
137,949

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, 5, 13, 7949

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 13 x 13 x 7,949 = 134,338,100

This can also be written as 22 x 52 x 132 x 7,9491 = 134,338,100

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


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