What is the Greatest Common Factor of 476 and 480?
Greatest common factor (GCF) of 476 and 480 is 4.
GCF(476,480) = 4
We will now calculate the prime factors of 476 and 480, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 476 and 480.
How to find the GCF of 476 and 480?
We will first find the prime factorization of 476 and 480. After we will calculate the factors of 476 and 480 and find the biggest common factor number .
Step-1: Prime Factorization of 476
Prime factors of 476 are 2, 7, 17. Prime factorization of 476 in exponential form is:
476 = 22 × 71 × 171
Step-2: Prime Factorization of 480
Prime factors of 480 are 2, 3, 5. Prime factorization of 480 in exponential form is:
480 = 25 × 31 × 51
Step-3: Factors of 476
List of positive integer factors of 476 that divides 476 without a remainder.
1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238
Step-4: Factors of 480
List of positive integer factors of 480 that divides 476 without a remainder.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 476 and 480. The biggest common factor number is the GCF number.
So the greatest common factor 476 and 480 is 4.
Also check out the Least Common Multiple of 476 and 480
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