Q: What are the prime factors of the number 146,851,172?

 A: 2, 13, 101, 27961

Why are those the prime factors of the number 146,851,172?

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 146,851,172

146,851,172
Factor Arrows
273,425,586
Factor Arrows
236,712,793
Factor Arrows
132,824,061
Factor Arrows
10127,961

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, 13, 101, 27961

We can check our work by multiplying all of the prime factors together: 2 x 2 x 13 x 101 x 27,961 = 146,851,172

This can also be written as 22 x 131 x 1011 x 27,9611 = 146,851,172

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


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