What is the Greatest Common Factor of 279 and 290?
Greatest common factor (GCF) of 279 and 290 is 1.
GCF(279,290) = 1
We will now calculate the prime factors of 279 and 290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 279 and 290.
How to find the GCF of 279 and 290?
We will first find the prime factorization of 279 and 290. After we will calculate the factors of 279 and 290 and find the biggest common factor number .
Step-1: Prime Factorization of 279
Prime factors of 279 are 3, 31. Prime factorization of 279 in exponential form is:
279 = 32 × 311
Step-2: Prime Factorization of 290
Prime factors of 290 are 2, 5, 29. Prime factorization of 290 in exponential form is:
290 = 21 × 51 × 291
Step-3: Factors of 279
List of positive integer factors of 279 that divides 279 without a remainder.
1, 3, 9, 31, 93
Step-4: Factors of 290
List of positive integer factors of 290 that divides 279 without a remainder.
1, 2, 5, 10, 29, 58, 145
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 279 and 290. The biggest common factor number is the GCF number.
So the greatest common factor 279 and 290 is 1.
Also check out the Least Common Multiple of 279 and 290
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