What is the Greatest Common Factor of 262 and 280?
Greatest common factor (GCF) of 262 and 280 is 2.
GCF(262,280) = 2
We will now calculate the prime factors of 262 and 280, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 262 and 280.
How to find the GCF of 262 and 280?
We will first find the prime factorization of 262 and 280. After we will calculate the factors of 262 and 280 and find the biggest common factor number .
Step-1: Prime Factorization of 262
Prime factors of 262 are 2, 131. Prime factorization of 262 in exponential form is:
262 = 21 × 1311
Step-2: Prime Factorization of 280
Prime factors of 280 are 2, 5, 7. Prime factorization of 280 in exponential form is:
280 = 23 × 51 × 71
Step-3: Factors of 262
List of positive integer factors of 262 that divides 262 without a remainder.
1, 2, 131
Step-4: Factors of 280
List of positive integer factors of 280 that divides 262 without a remainder.
1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 262 and 280. The biggest common factor number is the GCF number.
So the greatest common factor 262 and 280 is 2.
Also check out the Least Common Multiple of 262 and 280
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