Q: What are the prime factors of the number 334,121,040?

 A: 2, 3, 5, 11, 42187

Why are those the prime factors of the number 334,121,040?

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 334,121,040

334,121,040
Factor Arrows
2167,060,520
Factor Arrows
283,530,260
Factor Arrows
241,765,130
Factor Arrows
220,882,565
Factor Arrows
36,960,855
Factor Arrows
32,320,285
Factor Arrows
5464,057
Factor Arrows
1142,187

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, 3, 5, 11, 42187

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 11 x 42,187 = 334,121,040

This can also be written as 24 x 32 x 51 x 111 x 42,1871 = 334,121,040

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


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