What is the Greatest Common Factor of 253 and 273?
Greatest common factor (GCF) of 253 and 273 is 1.
GCF(253,273) = 1
We will now calculate the prime factors of 253 and 273, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 253 and 273.
How to find the GCF of 253 and 273?
We will first find the prime factorization of 253 and 273. After we will calculate the factors of 253 and 273 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 273
Prime factors of 273 are 3, 7, 13. Prime factorization of 273 in exponential form is:
273 = 31 × 71 × 131
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 273
List of positive integer factors of 273 that divides 253 without a remainder.
1, 3, 7, 13, 21, 39, 91
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 253 and 273. The biggest common factor number is the GCF number.
So the greatest common factor 253 and 273 is 1.
Also check out the Least Common Multiple of 253 and 273
Related Greatest Common Factors of 253
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Related Greatest Common Factors of 273
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