What Numbers Go Into 21 And 7
For the question "What Numbers Go Into 21 and 7" is the same as Greatest Common Factor (GCF, HCF, GCD) of 21 And 7 numbers.
Greatest Common Factor Of 21 And 7
The gcf of 21 and 7 is the largest positive integer that divides the numbers 21 and 7 without a remainder. Let's find the factors.
Finding The Factors Of 21 And 7
List out all of the prime factors for each number:
The greatest common factor of 21 and 7 is 7 .
What is the Greatest Common Factor?
Put simply, the GCF of a set of whole numbers is the largest positive integer (i.e whole number and not a decimal) that divides evenly into all of the numbers in the set. It's also commonly known as:
Greatest Common Denominator (GCD) Highest Common Factor (HCF) Greatest Common Divisor (GCD)