Q: What are the prime factors of the number 4,383,648?

 A: 2, 3, 31, 491

Why are those the prime factors of the number 4,383,648?

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 4,383,648

4,383,648
Factor Arrows
22,191,824
Factor Arrows
21,095,912
Factor Arrows
2547,956
Factor Arrows
2273,978
Factor Arrows
2136,989
Factor Arrows
345,663
Factor Arrows
315,221
Factor Arrows
31491

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, 31, 491

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 31 x 491 = 4,383,648

This can also be written as 25 x 32 x 311 x 4911 = 4,383,648

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


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