Q: What are the prime factors of the number 4,263,936?

 A: 2, 3, 347

Why are those the prime factors of the number 4,263,936?

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 4,263,936

4,263,936
Factor Arrows
22,131,968
Factor Arrows
21,065,984
Factor Arrows
2532,992
Factor Arrows
2266,496
Factor Arrows
2133,248
Factor Arrows
266,624
Factor Arrows
233,312
Factor Arrows
216,656
Factor Arrows
28,328
Factor Arrows
24,164
Factor Arrows
22,082
Factor Arrows
21,041
Factor Arrows
3347

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, 347

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 2 x 3 x 347 = 4,263,936

This can also be written as 212 x 31 x 3471 = 4,263,936

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


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