Q: What are the prime factors of the number 144,202,320?

 A: 2, 3, 5, 37, 5413

Why are those the prime factors of the number 144,202,320?

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 144,202,320

144,202,320
Factor Arrows
272,101,160
Factor Arrows
236,050,580
Factor Arrows
218,025,290
Factor Arrows
29,012,645
Factor Arrows
33,004,215
Factor Arrows
31,001,405
Factor Arrows
5200,281
Factor Arrows
375,413

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, 3, 5, 37, 5413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 37 x 5,413 = 144,202,320

This can also be written as 24 x 32 x 51 x 371 x 5,4131 = 144,202,320

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


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