What is the Greatest Common Factor of 78780 and 78794?

Greatest common factor (GCF) of 78780 and 78794 is 2.

GCF(78780,78794) = 2

We will now calculate the prime factors of 78780 and 78794, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78780 and 78794.

How to find the GCF of 78780 and 78794?

We will first find the prime factorization of 78780 and 78794. After we will calculate the factors of 78780 and 78794 and find the biggest common factor number .

Step-1: Prime Factorization of 78780

Prime factors of 78780 are 2, 3, 5, 13, 101. Prime factorization of 78780 in exponential form is:

78780 = 2² × 3¹ × 5¹ × 13¹ × 101¹

Step-2: Prime Factorization of 78794

Prime factors of 78794 are 2, 39397. Prime factorization of 78794 in exponential form is:

78794 = 2¹ × 39397¹

Step-3: Factors of 78780

List of positive integer factors of 78780 that divides 78780 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 101, 130, 156, 195, 202, 260, 303, 390, 404, 505, 606, 780, 1010, 1212, 1313, 1515, 2020, 2626, 3030, 3939, 5252, 6060, 6565, 7878, 13130, 15756, 19695, 26260, 39390

Step-4: Factors of 78794

List of positive integer factors of 78794 that divides 78780 without a remainder.

1, 2, 39397

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78780 and 78794. The biggest common factor number is the GCF number.
So the greatest common factor 78780 and 78794 is 2.

Also check out the Least Common Multiple of 78780 and 78794