Q: What are the prime factors of the number 340,352?

 A: 2, 2659

Why are those the prime factors of the number 340,352?

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 340,352

340,352
Factor Arrows
2170,176
Factor Arrows
285,088
Factor Arrows
242,544
Factor Arrows
221,272
Factor Arrows
210,636
Factor Arrows
25,318
Factor Arrows
22,659

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, 2659

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 2 x 2,659 = 340,352

This can also be written as 27 x 2,6591 = 340,352

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


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