Q: What are the prime factors of the number 240,563,844?

 A: 2, 3, 31, 43, 557

Why are those the prime factors of the number 240,563,844?

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 240,563,844

240,563,844
Factor Arrows
2120,281,922
Factor Arrows
260,140,961
Factor Arrows
320,046,987
Factor Arrows
36,682,329
Factor Arrows
32,227,443
Factor Arrows
3742,481
Factor Arrows
3123,951
Factor Arrows
43557

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, 31, 43, 557

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 31 x 43 x 557 = 240,563,844

This can also be written as 22 x 34 x 311 x 431 x 5571 = 240,563,844

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


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