Q: What are the prime factors of the number 1,922,976?

 A: 2, 3, 11, 607

Why are those the prime factors of the number 1,922,976?

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 1,922,976

1,922,976
Factor Arrows
2961,488
Factor Arrows
2480,744
Factor Arrows
2240,372
Factor Arrows
2120,186
Factor Arrows
260,093
Factor Arrows
320,031
Factor Arrows
36,677
Factor Arrows
11607

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, 11, 607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 11 x 607 = 1,922,976

This can also be written as 25 x 32 x 111 x 6071 = 1,922,976

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


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