Q: What are the prime factors of the number 240,514,542?

 A: 2, 3, 23, 197, 983

Why are those the prime factors of the number 240,514,542?

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 240,514,542

240,514,542
Factor Arrows
2120,257,271
Factor Arrows
340,085,757
Factor Arrows
313,361,919
Factor Arrows
34,453,973
Factor Arrows
23193,651
Factor Arrows
197983

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, 23, 197, 983

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 23 x 197 x 983 = 240,514,542

This can also be written as 21 x 33 x 231 x 1971 x 9831 = 240,514,542

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


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