Q: What are the prime factors of the number 146,402,752?

 A: 2, 19, 120397

Why are those the prime factors of the number 146,402,752?

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 146,402,752

146,402,752
Factor Arrows
273,201,376
Factor Arrows
236,600,688
Factor Arrows
218,300,344
Factor Arrows
29,150,172
Factor Arrows
24,575,086
Factor Arrows
22,287,543
Factor Arrows
19120,397

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, 19, 120397

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 19 x 120,397 = 146,402,752

This can also be written as 26 x 191 x 120,3971 = 146,402,752

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


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