Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 2212, 2220 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2212 and 2220 is 4.
GCF(2212,2220) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2212
2 | 2212 |
2 | 1106 |
7 | 553 |
79 | 79 |
1 |
Prime factors of 2212 are 2,7,79. Prime factorization of 2212 in exponential form is:
2212 = 22×71×791
Prime Factorization of 2220
2 | 2220 |
2 | 1110 |
3 | 555 |
5 | 185 |
37 | 37 |
1 |
Prime factors of 2220 are 2,3,5,37. Prime factorization of 2220 in exponential form is:
2220 = 22×31×51×371
∴ So by taking common prime factors GCF of 2212 and 2220 is 4
Factors of 2212
List of positive integer factors of 2212 that divides 2212 without a remainder.
1,2,4,7,14,28,79,158,316,553,1106,2212
Factors of 2220
List of positive integer factors of 2220 that divides 2220 without a remainder.
1,2,3,4,5,6,10,12,15,20,30,37,60,74,111,148,185,222,370,444,555,740,1110,2220
Greatest Common Factor
We found the factors and prime factorization of 2212 and 2220. The biggest common factor number is the GCF number.
So the greatest common factor 2212 and 2220 is 4.
Also check out the Least Common Multiple of 2212 and 2220
(i) The GCF of 2212 and 2220 is associative
GCF of 2212 and 2220 = GCF of 2220 and 2212
1. What is the GCF of 2212 and 2220?
Answer: GCF of 2212 and 2220 is 4.
2. What are the Factors of 2212?
Answer: Factors of 2212 are 1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212. There are 12 integers that are factors of 2212. The greatest factor of 2212 is 2212.
3. What are the Factors of 2220?
Answer: Factors of 2220 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220. There are 24 integers that are factors of 2220. The greatest factor of 2220 is 2220.
4. How to Find the GCF of 2212 and 2220?
Answer:
Greatest Common Factor of 2212 and 2220 = 4
Step 1: Find the prime factorization of 2212
2212 = 2 x 2 x 7 x 79
Step 2: Find the prime factorization of 2220
2220 = 2 x 2 x 3 x 5 x 37
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 = 4
Step 4: Therefore, the greatest common factor of 2212 and 2220 is 4