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 3213, 3220 i.e. 7 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 3213 and 3220 is 7.
GCF(3213,3220) = 7
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 3213
3 | 3213 |
3 | 1071 |
3 | 357 |
7 | 119 |
17 | 17 |
1 |
Prime factors of 3213 are 3,7,17. Prime factorization of 3213 in exponential form is:
3213 = 33×71×171
Prime Factorization of 3220
2 | 3220 |
2 | 1610 |
5 | 805 |
7 | 161 |
23 | 23 |
1 |
Prime factors of 3220 are 2,5,7,23. Prime factorization of 3220 in exponential form is:
3220 = 22×51×71×231
∴ So by taking common prime factors GCF of 3213 and 3220 is 7
Factors of 3213
List of positive integer factors of 3213 that divides 3213 without a remainder.
1,3,7,9,17,21,27,51,63,119,153,189,357,459,1071,3213
Factors of 3220
List of positive integer factors of 3220 that divides 3220 without a remainder.
1,2,4,5,7,10,14,20,23,28,35,46,70,92,115,140,161,230,322,460,644,805,1610,3220
Greatest Common Factor
We found the factors and prime factorization of 3213 and 3220. The biggest common factor number is the GCF number.
So the greatest common factor 3213 and 3220 is 7.
Also check out the Least Common Multiple of 3213 and 3220
(i) The GCF of 3213 and 3220 is associative
GCF of 3213 and 3220 = GCF of 3220 and 3213
1. What is the GCF of 3213 and 3220?
Answer: GCF of 3213 and 3220 is 7.
2. What are the Factors of 3213?
Answer: Factors of 3213 are 1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213. There are 16 integers that are factors of 3213. The greatest factor of 3213 is 3213.
3. What are the Factors of 3220?
Answer: Factors of 3220 are 1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220. There are 24 integers that are factors of 3220. The greatest factor of 3220 is 3220.
4. How to Find the GCF of 3213 and 3220?
Answer:
Greatest Common Factor of 3213 and 3220 = 7
Step 1: Find the prime factorization of 3213
3213 = 3 x 3 x 3 x 7 x 17
Step 2: Find the prime factorization of 3220
3220 = 2 x 2 x 5 x 7 x 23
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 3213 and 3220 is 7