Q: What are the prime factors of the number 67,608,840?

 A: 2, 3, 5, 13, 19, 2281

Why are those the prime factors of the number 67,608,840?

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 67,608,840

67,608,840
Factor Arrows
233,804,420
Factor Arrows
216,902,210
Factor Arrows
28,451,105
Factor Arrows
32,817,035
Factor Arrows
5563,407
Factor Arrows
1343,339
Factor Arrows
192,281

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, 13, 19, 2281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 5 x 13 x 19 x 2,281 = 67,608,840

This can also be written as 23 x 31 x 51 x 131 x 191 x 2,2811 = 67,608,840

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


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