What is the Greatest Common Factor of 30660 and 30679?

Greatest common factor (GCF) of 30660 and 30679 is 1.

GCF(30660,30679) = 1

We will now calculate the prime factors of 30660 and 30679, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30660 and 30679.

How to find the GCF of 30660 and 30679?

We will first find the prime factorization of 30660 and 30679. After we will calculate the factors of 30660 and 30679 and find the biggest common factor number .

Step-1: Prime Factorization of 30660

Prime factors of 30660 are 2, 3, 5, 7, 73. Prime factorization of 30660 in exponential form is:

30660 = 2² × 3¹ × 5¹ × 7¹ × 73¹

Step-2: Prime Factorization of 30679

Prime factors of 30679 are 11, 2789. Prime factorization of 30679 in exponential form is:

30679 = 11¹ × 2789¹

Step-3: Factors of 30660

List of positive integer factors of 30660 that divides 30660 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 3066, 4380, 5110, 6132, 7665, 10220, 15330

Step-4: Factors of 30679

List of positive integer factors of 30679 that divides 30660 without a remainder.

1, 11, 2789

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30660 and 30679. The biggest common factor number is the GCF number.
So the greatest common factor 30660 and 30679 is 1.

Also check out the Least Common Multiple of 30660 and 30679