What is the Greatest Common Factor of 77372 and 77380?
Greatest common factor (GCF) of 77372 and 77380 is 4.
GCF(77372,77380) = 4
We will now calculate the prime factors of 77372 and 77380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77372 and 77380.
How to find the GCF of 77372 and 77380?
We will first find the prime factorization of 77372 and 77380. After we will calculate the factors of 77372 and 77380 and find the biggest common factor number .
Step-1: Prime Factorization of 77372
Prime factors of 77372 are 2, 23, 29. Prime factorization of 77372 in exponential form is:
77372 = 22 × 231 × 292
Step-2: Prime Factorization of 77380
Prime factors of 77380 are 2, 5, 53, 73. Prime factorization of 77380 in exponential form is:
77380 = 22 × 51 × 531 × 731
Step-3: Factors of 77372
List of positive integer factors of 77372 that divides 77372 without a remainder.
1, 2, 4, 23, 29, 46, 58, 92, 116, 667, 841, 1334, 1682, 2668, 3364, 19343, 38686
Step-4: Factors of 77380
List of positive integer factors of 77380 that divides 77372 without a remainder.
1, 2, 4, 5, 10, 20, 53, 73, 106, 146, 212, 265, 292, 365, 530, 730, 1060, 1460, 3869, 7738, 15476, 19345, 38690
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 77372 and 77380. The biggest common factor number is the GCF number.
So the greatest common factor 77372 and 77380 is 4.
Also check out the Least Common Multiple of 77372 and 77380
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