Q: What are the prime factors of the number 3,477,418?

 A: 2, 7, 17, 19, 769

Why are those the prime factors of the number 3,477,418?

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 3,477,418

3,477,418
Factor Arrows
21,738,709
Factor Arrows
7248,387
Factor Arrows
1714,611
Factor Arrows
19769

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, 7, 17, 19, 769

We can check our work by multiplying all of the prime factors together: 2 x 7 x 17 x 19 x 769 = 3,477,418

This can also be written as 21 x 71 x 171 x 191 x 7691 = 3,477,418

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


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