Q: What are the prime factors of the number 623,438?

Why are those the prime factors of the number 623,438?

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 623,438

	623,438
2		311,719
	23		13,553

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, 23, 13553

We can check our work by multiplying all of the prime factors together: 2 x 23 x 13,553 = 623,438

This can also be written as 2¹ x 23¹ x 13,553¹ = 623,438

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

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