Q: What are the prime factors of the number 144,015,500?

 A: 2, 5, 17, 16943

Why are those the prime factors of the number 144,015,500?

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 144,015,500

144,015,500
Factor Arrows
272,007,750
Factor Arrows
236,003,875
Factor Arrows
57,200,775
Factor Arrows
51,440,155
Factor Arrows
5288,031
Factor Arrows
1716,943

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, 17, 16943

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 5 x 17 x 16,943 = 144,015,500

This can also be written as 22 x 53 x 171 x 16,9431 = 144,015,500

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


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