Q: What are the prime factors of the number 333,001,440?

 A: 2, 3, 5, 17, 61, 223

Why are those the prime factors of the number 333,001,440?

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 333,001,440

333,001,440
Factor Arrows
2166,500,720
Factor Arrows
283,250,360
Factor Arrows
241,625,180
Factor Arrows
220,812,590
Factor Arrows
210,406,295
Factor Arrows
33,468,765
Factor Arrows
31,156,255
Factor Arrows
5231,251
Factor Arrows
1713,603
Factor Arrows
61223

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, 5, 17, 61, 223

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 5 x 17 x 61 x 223 = 333,001,440

This can also be written as 25 x 32 x 51 x 171 x 611 x 2231 = 333,001,440

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


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