Q: What are the prime factors of the number 137,457,034?

 A: 2, 11, 13, 61, 7879

Why are those the prime factors of the number 137,457,034?

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 137,457,034

137,457,034
Factor Arrows
268,728,517
Factor Arrows
116,248,047
Factor Arrows
13480,619
Factor Arrows
617,879

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, 11, 13, 61, 7879

We can check our work by multiplying all of the prime factors together: 2 x 11 x 13 x 61 x 7,879 = 137,457,034

This can also be written as 21 x 111 x 131 x 611 x 7,8791 = 137,457,034

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


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