What is the Greatest Common Factor of 21743 and 21749?
Greatest common factor (GCF) of 21743 and 21749 is 1.
GCF(21743,21749) = 1
We will now calculate the prime factors of 21743 and 21749, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 21743 and 21749.
How to find the GCF of 21743 and 21749?
We will first find the prime factorization of 21743 and 21749. After we will calculate the factors of 21743 and 21749 and find the biggest common factor number .
Step-1: Prime Factorization of 21743
Prime factors of 21743 are 17, 1279. Prime factorization of 21743 in exponential form is:
21743 = 171 × 12791
Step-2: Prime Factorization of 21749
Prime factors of 21749 are 7, 13, 239. Prime factorization of 21749 in exponential form is:
21749 = 71 × 131 × 2391
Step-3: Factors of 21743
List of positive integer factors of 21743 that divides 21743 without a remainder.
1, 17, 1279
Step-4: Factors of 21749
List of positive integer factors of 21749 that divides 21743 without a remainder.
1, 7, 13, 91, 239, 1673, 3107
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 21743 and 21749. The biggest common factor number is the GCF number.
So the greatest common factor 21743 and 21749 is 1.
Also check out the Least Common Multiple of 21743 and 21749
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Related Greatest Common Factors of 21749
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