Q: What are the prime factors of the number 201,430,416?

 A: 2, 3, 11, 17, 22441

Why are those the prime factors of the number 201,430,416?

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 201,430,416

201,430,416
Factor Arrows
2100,715,208
Factor Arrows
250,357,604
Factor Arrows
225,178,802
Factor Arrows
212,589,401
Factor Arrows
34,196,467
Factor Arrows
11381,497
Factor Arrows
1722,441

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, 11, 17, 22441

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 11 x 17 x 22,441 = 201,430,416

This can also be written as 24 x 31 x 111 x 171 x 22,4411 = 201,430,416

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


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