Q: What are the prime factors of the number 3,303,424?

 A: 2, 1613

Why are those the prime factors of the number 3,303,424?

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 3,303,424

3,303,424
Factor Arrows
21,651,712
Factor Arrows
2825,856
Factor Arrows
2412,928
Factor Arrows
2206,464
Factor Arrows
2103,232
Factor Arrows
251,616
Factor Arrows
225,808
Factor Arrows
212,904
Factor Arrows
26,452
Factor Arrows
23,226
Factor Arrows
21,613

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, 1613

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 2 x 2 x 2 x 2 x 2 x 1,613 = 3,303,424

This can also be written as 211 x 1,6131 = 3,303,424

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


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