What is the Greatest Common Factor of 68860 and 68865?

Greatest common factor (GCF) of 68860 and 68865 is 5.

GCF(68860,68865) = 5

We will now calculate the prime factors of 68860 and 68865, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68860 and 68865.

How to find the GCF of 68860 and 68865?

We will first find the prime factorization of 68860 and 68865. After we will calculate the factors of 68860 and 68865 and find the biggest common factor number .

Step-1: Prime Factorization of 68860

Prime factors of 68860 are 2, 5, 11, 313. Prime factorization of 68860 in exponential form is:

68860 = 2² × 5¹ × 11¹ × 313¹

Step-2: Prime Factorization of 68865

Prime factors of 68865 are 3, 5, 4591. Prime factorization of 68865 in exponential form is:

68865 = 3¹ × 5¹ × 4591¹

Step-3: Factors of 68860

List of positive integer factors of 68860 that divides 68860 without a remainder.

1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 313, 626, 1252, 1565, 3130, 3443, 6260, 6886, 13772, 17215, 34430

Step-4: Factors of 68865

List of positive integer factors of 68865 that divides 68860 without a remainder.

1, 3, 5, 15, 4591, 13773, 22955

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68860 and 68865. The biggest common factor number is the GCF number.
So the greatest common factor 68860 and 68865 is 5.

Also check out the Least Common Multiple of 68860 and 68865