Q: What are the prime factors of the number 441,251,552?

 A: 2, 7, 43, 61, 751

Why are those the prime factors of the number 441,251,552?

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 441,251,552

441,251,552
Factor Arrows
2220,625,776
Factor Arrows
2110,312,888
Factor Arrows
255,156,444
Factor Arrows
227,578,222
Factor Arrows
213,789,111
Factor Arrows
71,969,873
Factor Arrows
4345,811
Factor Arrows
61751

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, 7, 43, 61, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 43 x 61 x 751 = 441,251,552

This can also be written as 25 x 71 x 431 x 611 x 7511 = 441,251,552

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


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