Q: What are the prime factors of the number 440,211,546?

 A: 2, 3, 1289, 18973

Why are those the prime factors of the number 440,211,546?

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 440,211,546

440,211,546
Factor Arrows
2220,105,773
Factor Arrows
373,368,591
Factor Arrows
324,456,197
Factor Arrows
1,28918,973

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, 1289, 18973

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 1,289 x 18,973 = 440,211,546

This can also be written as 21 x 32 x 1,2891 x 18,9731 = 440,211,546

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


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