Q: What are the prime factors of the number 7,421,106?

 A: 2, 3, 7, 11, 16063

Why are those the prime factors of the number 7,421,106?

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 7,421,106

7,421,106
Factor Arrows
23,710,553
Factor Arrows
31,236,851
Factor Arrows
7176,693
Factor Arrows
1116,063

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, 11, 16063

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 16,063 = 7,421,106

This can also be written as 21 x 31 x 71 x 111 x 16,0631 = 7,421,106

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


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