Q: What are the prime factors of the number 1,483,776?

 A: 2, 3, 7, 23

Why are those the prime factors of the number 1,483,776?

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 1,483,776

1,483,776
Factor Arrows
2741,888
Factor Arrows
2370,944
Factor Arrows
2185,472
Factor Arrows
292,736
Factor Arrows
246,368
Factor Arrows
223,184
Factor Arrows
211,592
Factor Arrows
25,796
Factor Arrows
22,898
Factor Arrows
21,449
Factor Arrows
3483
Factor Arrows
3161
Factor Arrows
723

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, 7, 23

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 2 x 2 x 2 x 2 x 3 x 3 x 7 x 23 = 1,483,776

This can also be written as 210 x 32 x 71 x 231 = 1,483,776

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


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