Q: What are the prime factors of the number 443,434,425?

 A: 3, 5, 7, 47, 17971

Why are those the prime factors of the number 443,434,425?

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 443,434,425

443,434,425
Factor Arrows
3147,811,475
Factor Arrows
529,562,295
Factor Arrows
55,912,459
Factor Arrows
7844,637
Factor Arrows
4717,971

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, 5, 7, 47, 17971

We can check our work by multiplying all of the prime factors together: 3 x 5 x 5 x 7 x 47 x 17,971 = 443,434,425

This can also be written as 31 x 52 x 71 x 471 x 17,9711 = 443,434,425

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


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