What is the Greatest Common Factor of 427 and 441?
Greatest common factor (GCF) of 427 and 441 is 7.
GCF(427,441) = 7
We will now calculate the prime factors of 427 and 441, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 427 and 441.
How to find the GCF of 427 and 441?
We will first find the prime factorization of 427 and 441. After we will calculate the factors of 427 and 441 and find the biggest common factor number .
Step-1: Prime Factorization of 427
Prime factors of 427 are 7, 61. Prime factorization of 427 in exponential form is:
427 = 71 × 611
Step-2: Prime Factorization of 441
Prime factors of 441 are 3, 7. Prime factorization of 441 in exponential form is:
441 = 32 × 72
Step-3: Factors of 427
List of positive integer factors of 427 that divides 427 without a remainder.
1, 7, 61
Step-4: Factors of 441
List of positive integer factors of 441 that divides 427 without a remainder.
1, 3, 7, 9, 21, 49, 63, 147
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 427 and 441. The biggest common factor number is the GCF number.
So the greatest common factor 427 and 441 is 7.
Also check out the Least Common Multiple of 427 and 441
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