What is the Greatest Common Factor of 808 and 822?
Greatest common factor (GCF) of 808 and 822 is 2.
GCF(808,822) = 2
We will now calculate the prime factors of 808 and 822, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 808 and 822.
How to find the GCF of 808 and 822?
We will first find the prime factorization of 808 and 822. After we will calculate the factors of 808 and 822 and find the biggest common factor number .
Step-1: Prime Factorization of 808
Prime factors of 808 are 2, 101. Prime factorization of 808 in exponential form is:
808 = 23 × 1011
Step-2: Prime Factorization of 822
Prime factors of 822 are 2, 3, 137. Prime factorization of 822 in exponential form is:
822 = 21 × 31 × 1371
Step-3: Factors of 808
List of positive integer factors of 808 that divides 808 without a remainder.
1, 2, 4, 8, 101, 202, 404
Step-4: Factors of 822
List of positive integer factors of 822 that divides 808 without a remainder.
1, 2, 3, 6, 137, 274, 411
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 808 and 822. The biggest common factor number is the GCF number.
So the greatest common factor 808 and 822 is 2.
Also check out the Least Common Multiple of 808 and 822
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