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 2205, 2212 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 2205 and 2212 is 7.
GCF(2205,2212) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 2205
3 | 2205 |
3 | 735 |
5 | 245 |
7 | 49 |
7 | 7 |
1 |
Prime factors of 2205 are 3,5,7. Prime factorization of 2205 in exponential form is:
2205 = 32×51×72
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
∴ So by taking common prime factors GCF of 2205 and 2212 is 7
Factors of 2205
List of positive integer factors of 2205 that divides 2205 without a remainder.
1,3,5,7,9,15,21,35,45,49,63,105,147,245,315,441,735,2205
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
Greatest Common Factor
We found the factors and prime factorization of 2205 and 2212. The biggest common factor number is the GCF number.
So the greatest common factor 2205 and 2212 is 7.
Also check out the Least Common Multiple of 2205 and 2212
(i) The GCF of 2205 and 2212 is associative
GCF of 2205 and 2212 = GCF of 2212 and 2205
1. What is the GCF of 2205 and 2212?
Answer: GCF of 2205 and 2212 is 7.
2. What are the Factors of 2205?
Answer: Factors of 2205 are 1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205. There are 18 integers that are factors of 2205. The greatest factor of 2205 is 2205.
3. 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.
4. How to Find the GCF of 2205 and 2212?
Answer:
Greatest Common Factor of 2205 and 2212 = 7
Step 1: Find the prime factorization of 2205
2205 = 3 x 3 x 5 x 7 x 7
Step 2: Find the prime factorization of 2212
2212 = 2 x 2 x 7 x 79
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 7
Step 4: Therefore, the greatest common factor of 2205 and 2212 is 7