Q: What are the prime factors of the number 144,023,808?

 A: 2, 3, 187531

Why are those the prime factors of the number 144,023,808?

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 144,023,808

144,023,808
Factor Arrows
272,011,904
Factor Arrows
236,005,952
Factor Arrows
218,002,976
Factor Arrows
29,001,488
Factor Arrows
24,500,744
Factor Arrows
22,250,372
Factor Arrows
21,125,186
Factor Arrows
2562,593
Factor Arrows
3187,531

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, 187531

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 2 x 2 x 3 x 187,531 = 144,023,808

This can also be written as 28 x 31 x 187,5311 = 144,023,808

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


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