Q: What are the prime factors of the number 240,305,318?

 A: 2, 11, 167, 65407

Why are those the prime factors of the number 240,305,318?

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 240,305,318

240,305,318
Factor Arrows
2120,152,659
Factor Arrows
1110,922,969
Factor Arrows
16765,407

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, 11, 167, 65407

We can check our work by multiplying all of the prime factors together: 2 x 11 x 167 x 65,407 = 240,305,318

This can also be written as 21 x 111 x 1671 x 65,4071 = 240,305,318

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


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