Q: What are the prime factors of the number 146,122,064?

 A: 2, 11, 709, 1171

Why are those the prime factors of the number 146,122,064?

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 146,122,064

146,122,064
Factor Arrows
273,061,032
Factor Arrows
236,530,516
Factor Arrows
218,265,258
Factor Arrows
29,132,629
Factor Arrows
11830,239
Factor Arrows
7091,171

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, 709, 1171

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11 x 709 x 1,171 = 146,122,064

This can also be written as 24 x 111 x 7091 x 1,1711 = 146,122,064

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


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