Q: What are the prime factors of the number 14,919,471?

 A: 3, 7, 179

Why are those the prime factors of the number 14,919,471?

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 14,919,471

14,919,471
Factor Arrows
34,973,157
Factor Arrows
31,657,719
Factor Arrows
3552,573
Factor Arrows
3184,191
Factor Arrows
361,397
Factor Arrows
78,771
Factor Arrows
71,253
Factor Arrows
7179

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:

3, 7, 179

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 7 x 7 x 179 = 14,919,471

This can also be written as 35 x 73 x 1791 = 14,919,471

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


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