Q: What are the prime factors of the number 163,554,454?

 A: 2, 7, 47, 35509

Why are those the prime factors of the number 163,554,454?

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 163,554,454

163,554,454
Factor Arrows
281,777,227
Factor Arrows
711,682,461
Factor Arrows
71,668,923
Factor Arrows
4735,509

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, 7, 47, 35509

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 47 x 35,509 = 163,554,454

This can also be written as 21 x 72 x 471 x 35,5091 = 163,554,454

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


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