Q: What are the prime factors of the number 441,152?

 A: 2, 61, 113

Why are those the prime factors of the number 441,152?

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 441,152

441,152
Factor Arrows
2220,576
Factor Arrows
2110,288
Factor Arrows
255,144
Factor Arrows
227,572
Factor Arrows
213,786
Factor Arrows
26,893
Factor Arrows
61113

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, 61, 113

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 61 x 113 = 441,152

This can also be written as 26 x 611 x 1131 = 441,152

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


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