Q: What are the prime factors of the number 4,386,402?

 A: 2, 3, 197, 1237

Why are those the prime factors of the number 4,386,402?

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 4,386,402

4,386,402
Factor Arrows
22,193,201
Factor Arrows
3731,067
Factor Arrows
3243,689
Factor Arrows
1971,237

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, 197, 1237

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 197 x 1,237 = 4,386,402

This can also be written as 21 x 32 x 1971 x 1,2371 = 4,386,402

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


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