Q: What are the prime factors of the number 240,536,502?

 A: 2, 3, 17, 31, 25357

Why are those the prime factors of the number 240,536,502?

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 240,536,502

240,536,502
Factor Arrows
2120,268,251
Factor Arrows
340,089,417
Factor Arrows
313,363,139
Factor Arrows
17786,067
Factor Arrows
3125,357

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, 17, 31, 25357

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 17 x 31 x 25,357 = 240,536,502

This can also be written as 21 x 32 x 171 x 311 x 25,3571 = 240,536,502

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


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