Q: What are the prime factors of the number 1,647,462?

 A: 2, 3, 37, 41, 181

Why are those the prime factors of the number 1,647,462?

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 1,647,462

1,647,462
Factor Arrows
2823,731
Factor Arrows
3274,577
Factor Arrows
377,421
Factor Arrows
41181

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, 37, 41, 181

We can check our work by multiplying all of the prime factors together: 2 x 3 x 37 x 41 x 181 = 1,647,462

This can also be written as 21 x 31 x 371 x 411 x 1811 = 1,647,462

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


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