Q: What are the prime factors of the number 1,656,776?

 A: 2, 11, 67, 281

Why are those the prime factors of the number 1,656,776?

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 1,656,776

1,656,776
Factor Arrows
2828,388
Factor Arrows
2414,194
Factor Arrows
2207,097
Factor Arrows
1118,827
Factor Arrows
67281

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, 11, 67, 281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 67 x 281 = 1,656,776

This can also be written as 23 x 111 x 671 x 2811 = 1,656,776

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


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