Q: What are the prime factors of the number 141,107,428?

 A: 2, 7, 11, 241, 1901

Why are those the prime factors of the number 141,107,428?

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 141,107,428

141,107,428
Factor Arrows
270,553,714
Factor Arrows
235,276,857
Factor Arrows
75,039,551
Factor Arrows
11458,141
Factor Arrows
2411,901

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, 7, 11, 241, 1901

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 241 x 1,901 = 141,107,428

This can also be written as 22 x 71 x 111 x 2411 x 1,9011 = 141,107,428

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


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