Prime Factorization of 42
What is the Prime Factorization of 42?
Explanation of number 42 Prime Factorization
Prime Factorization of 42 it is expressing 42 as the product of prime factors. In other words it is finding which prime numbers should be multiplied together to make 42.
Since number 42 is a Composite number (not Prime) we can do its Prime Factorization.
To get a list of all Prime Factors of 42, we have to iteratively divide 42 by the smallest prime number possible until the result equals 1.
Here is the complete solution of finding Prime Factors of 42:
The smallest Prime Number which can divide 42 without a remainder is 2. So the first calculation step would look like:
42 ÷ 2 = 21
Now we repeat this action until the result equals 1:
21 ÷ 3 = 7
7 ÷ 7 = 1
Now we have all the Prime Factors for number 42. It is: 2, 3, 7
Prime Factor Tree of 42
We may also express the prime factorization of 42 as a Factor Tree:
Related Calculations
Prime Factorization Table
About "Prime Factorization" Calculator
Prime factors are the positive integers having only two factors - 1 and the number itself