What is the Greatest Common Factor of 487 and 494?
Greatest common factor (GCF) of 487 and 494 is 1.
GCF(487,494) = 1
We will now calculate the prime factors of 487 and 494, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 487 and 494.
How to find the GCF of 487 and 494?
We will first find the prime factorization of 487 and 494. After we will calculate the factors of 487 and 494 and find the biggest common factor number .
Step-1: Prime Factorization of 487
Prime factors of 487 are 487. Prime factorization of 487 in exponential form is:
487 = 4871
Step-2: Prime Factorization of 494
Prime factors of 494 are 2, 13, 19. Prime factorization of 494 in exponential form is:
494 = 21 × 131 × 191
Step-3: Factors of 487
List of positive integer factors of 487 that divides 487 without a remainder.
1
Step-4: Factors of 494
List of positive integer factors of 494 that divides 487 without a remainder.
1, 2, 13, 19, 26, 38, 247
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 487 and 494. The biggest common factor number is the GCF number.
So the greatest common factor 487 and 494 is 1.
Also check out the Least Common Multiple of 487 and 494
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