Q: What are the prime factors of the number 144,442,600?

 A: 2, 5, 722213

Why are those the prime factors of the number 144,442,600?

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 144,442,600

144,442,600
Factor Arrows
272,221,300
Factor Arrows
236,110,650
Factor Arrows
218,055,325
Factor Arrows
53,611,065
Factor Arrows
5722,213

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, 5, 722213

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 722,213 = 144,442,600

This can also be written as 23 x 52 x 722,2131 = 144,442,600

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


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