Q: What are the prime factors of the number 1,211,463?

 A: 3, 11, 4079

Why are those the prime factors of the number 1,211,463?

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 1,211,463

1,211,463
Factor Arrows
3403,821
Factor Arrows
3134,607
Factor Arrows
344,869
Factor Arrows
114,079

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, 4079

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 11 x 4,079 = 1,211,463

This can also be written as 33 x 111 x 4,0791 = 1,211,463

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


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