Q: What are the prime factors of the number 340,011,424?

 A: 2, 17, 617, 1013

Why are those the prime factors of the number 340,011,424?

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 340,011,424

340,011,424
Factor Arrows
2170,005,712
Factor Arrows
285,002,856
Factor Arrows
242,501,428
Factor Arrows
221,250,714
Factor Arrows
210,625,357
Factor Arrows
17625,021
Factor Arrows
6171,013

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, 17, 617, 1013

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 17 x 617 x 1,013 = 340,011,424

This can also be written as 25 x 171 x 6171 x 1,0131 = 340,011,424

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


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