Q: What are the prime factors of the number 2,443,353?

 A: 3, 11, 53, 127

Why are those the prime factors of the number 2,443,353?

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 2,443,353

2,443,353
Factor Arrows
3814,451
Factor Arrows
1174,041
Factor Arrows
116,731
Factor Arrows
53127

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:

3, 11, 53, 127

We can check our work by multiplying all of the prime factors together: 3 x 11 x 11 x 53 x 127 = 2,443,353

This can also be written as 31 x 112 x 531 x 1271 = 2,443,353

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


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