GCF and LCM Calculator Logo

What is the Greatest Common Factor of 79996 and 80003?

Greatest common factor (GCF) of 79996 and 80003 is 7.

GCF(79996,80003) = 7

We will now calculate the prime factors of 79996 and 80003, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79996 and 80003.

GCF Calculator and
and

How to find the GCF of 79996 and 80003?

We will first find the prime factorization of 79996 and 80003. After we will calculate the factors of 79996 and 80003 and find the biggest common factor number .

Step-1: Prime Factorization of 79996

Prime factors of 79996 are 2, 7, 2857. Prime factorization of 79996 in exponential form is:

79996 = 22 × 71 × 28571

Step-2: Prime Factorization of 80003

Prime factors of 80003 are 7, 11, 1039. Prime factorization of 80003 in exponential form is:

80003 = 71 × 111 × 10391

Step-3: Factors of 79996

List of positive integer factors of 79996 that divides 79996 without a remainder.

1, 2, 4, 7, 14, 28, 2857, 5714, 11428, 19999, 39998

Step-4: Factors of 80003

List of positive integer factors of 80003 that divides 79996 without a remainder.

1, 7, 11, 77, 1039, 7273, 11429

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79996 and 80003. The biggest common factor number is the GCF number.
So the greatest common factor 79996 and 80003 is 7.

Also check out the Least Common Multiple of 79996 and 80003