What is the Greatest Common Factor of 781 and 792?
Greatest common factor (GCF) of 781 and 792 is 11.
GCF(781,792) = 11
We will now calculate the prime factors of 781 and 792, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 781 and 792.
How to find the GCF of 781 and 792?
We will first find the prime factorization of 781 and 792. After we will calculate the factors of 781 and 792 and find the biggest common factor number .
Step-1: Prime Factorization of 781
Prime factors of 781 are 11, 71. Prime factorization of 781 in exponential form is:
781 = 111 × 711
Step-2: Prime Factorization of 792
Prime factors of 792 are 2, 3, 11. Prime factorization of 792 in exponential form is:
792 = 23 × 32 × 111
Step-3: Factors of 781
List of positive integer factors of 781 that divides 781 without a remainder.
1, 11, 71
Step-4: Factors of 792
List of positive integer factors of 792 that divides 781 without a remainder.
1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396
Final Step: Biggest Common Factor Number
We found the factors and prime factorization of 781 and 792. The biggest common factor number is the GCF number.
So the greatest common factor 781 and 792 is 11.
Also check out the Least Common Multiple of 781 and 792
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