What is the Greatest Common Factor of 253 and 268?
Greatest common factor (GCF) of 253 and 268 is 1.
GCF(253,268) = 1
We will now calculate the prime factors of 253 and 268, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 253 and 268.
How to find the GCF of 253 and 268?
We will first find the prime factorization of 253 and 268. After we will calculate the factors of 253 and 268 and find the biggest common factor number .
Step-1: Prime Factorization of 253
Prime factors of 253 are 11, 23. Prime factorization of 253 in exponential form is:
253 = 111 × 231
Step-2: Prime Factorization of 268
Prime factors of 268 are 2, 67. Prime factorization of 268 in exponential form is:
268 = 22 × 671
Step-3: Factors of 253
List of positive integer factors of 253 that divides 253 without a remainder.
1, 11, 23
Step-4: Factors of 268
List of positive integer factors of 268 that divides 253 without a remainder.
1, 2, 4, 67, 134
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 253 and 268. The biggest common factor number is the GCF number.
So the greatest common factor 253 and 268 is 1.
Also check out the Least Common Multiple of 253 and 268
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