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 808, 812 i.e. 4 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 808 and 812 is 4.
GCF(808,812) = 4
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 808
2 | 808 |
2 | 404 |
2 | 202 |
101 | 101 |
1 |
Prime factors of 808 are 2,101. Prime factorization of 808 in exponential form is:
808 = 23×1011
Prime Factorization of 812
2 | 812 |
2 | 406 |
7 | 203 |
29 | 29 |
1 |
Prime factors of 812 are 2,7,29. Prime factorization of 812 in exponential form is:
812 = 22×71×291
∴ So by taking common prime factors GCF of 808 and 812 is 4
Factors of 808
List of positive integer factors of 808 that divides 808 without a remainder.
1,2,4,8,101,202,404,808
Factors of 812
List of positive integer factors of 812 that divides 812 without a remainder.
1,2,4,7,14,28,29,58,116,203,406,812
Greatest Common Factor
We found the factors and prime factorization of 808 and 812. The biggest common factor number is the GCF number.
So the greatest common factor 808 and 812 is 4.
Also check out the Least Common Multiple of 808 and 812
(i) The GCF of 808 and 812 is associative
GCF of 808 and 812 = GCF of 812 and 808
1. What is the GCF of 808 and 812?
Answer: GCF of 808 and 812 is 4.
2. What are the Factors of 808?
Answer: Factors of 808 are 1, 2, 4, 8, 101, 202, 404, 808. There are 8 integers that are factors of 808. The greatest factor of 808 is 808.
3. What are the Factors of 812?
Answer: Factors of 812 are 1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812. There are 12 integers that are factors of 812. The greatest factor of 812 is 812.
4. How to Find the GCF of 808 and 812?
Answer:
Greatest Common Factor of 808 and 812 = 4
Step 1: Find the prime factorization of 808
808 = 2 x 2 x 2 x 101
Step 2: Find the prime factorization of 812
812 = 2 x 2 x 7 x 29
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 808 and 812 is 4