Q: What are the prime factors of the number 1,919,296?

 A: 2, 29989

Why are those the prime factors of the number 1,919,296?

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 1,919,296

1,919,296
Factor Arrows
2959,648
Factor Arrows
2479,824
Factor Arrows
2239,912
Factor Arrows
2119,956
Factor Arrows
259,978
Factor Arrows
229,989

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, 29989

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 29,989 = 1,919,296

This can also be written as 26 x 29,9891 = 1,919,296

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


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