Q: What are the prime factors of the number 2,148,416?

 A: 2, 33569

Why are those the prime factors of the number 2,148,416?

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 2,148,416

2,148,416
Factor Arrows
21,074,208
Factor Arrows
2537,104
Factor Arrows
2268,552
Factor Arrows
2134,276
Factor Arrows
267,138
Factor Arrows
233,569

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, 33569

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 33,569 = 2,148,416

This can also be written as 26 x 33,5691 = 2,148,416

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


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