Q: What are the prime factors of the number 141,756,736?

 A: 2, 11, 201359

Why are those the prime factors of the number 141,756,736?

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 141,756,736

141,756,736
Factor Arrows
270,878,368
Factor Arrows
235,439,184
Factor Arrows
217,719,592
Factor Arrows
28,859,796
Factor Arrows
24,429,898
Factor Arrows
22,214,949
Factor Arrows
11201,359

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, 201359

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 11 x 201,359 = 141,756,736

This can also be written as 26 x 111 x 201,3591 = 141,756,736

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


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