Q: What are the prime factors of the number 346,322,240?

 A: 2, 5, 11, 98387

Why are those the prime factors of the number 346,322,240?

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 346,322,240

346,322,240
Factor Arrows
2173,161,120
Factor Arrows
286,580,560
Factor Arrows
243,290,280
Factor Arrows
221,645,140
Factor Arrows
210,822,570
Factor Arrows
25,411,285
Factor Arrows
51,082,257
Factor Arrows
1198,387

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, 11, 98387

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 11 x 98,387 = 346,322,240

This can also be written as 26 x 51 x 111 x 98,3871 = 346,322,240

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


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