Q: What are the prime factors of the number 346,112,320?

 A: 2, 5, 617, 1753

Why are those the prime factors of the number 346,112,320?

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 346,112,320

346,112,320
Factor Arrows
2173,056,160
Factor Arrows
286,528,080
Factor Arrows
243,264,040
Factor Arrows
221,632,020
Factor Arrows
210,816,010
Factor Arrows
25,408,005
Factor Arrows
51,081,601
Factor Arrows
6171,753

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, 617, 1753

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 617 x 1,753 = 346,112,320

This can also be written as 26 x 51 x 6171 x 1,7531 = 346,112,320

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


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