What is the Greatest Common Factor of 10980 and 10987?

Greatest common factor (GCF) of 10980 and 10987 is 1.

GCF(10980,10987) = 1

We will now calculate the prime factors of 10980 and 10987, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 10980 and 10987.

How to find the GCF of 10980 and 10987?

We will first find the prime factorization of 10980 and 10987. After we will calculate the factors of 10980 and 10987 and find the biggest common factor number .

Step-1: Prime Factorization of 10980

Prime factors of 10980 are 2, 3, 5, 61. Prime factorization of 10980 in exponential form is:

10980 = 2² × 3² × 5¹ × 61¹

Step-2: Prime Factorization of 10987

Prime factors of 10987 are 10987. Prime factorization of 10987 in exponential form is:

10987 = 10987¹

Step-3: Factors of 10980

List of positive integer factors of 10980 that divides 10980 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490

Step-4: Factors of 10987

List of positive integer factors of 10987 that divides 10980 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 10980 and 10987. The biggest common factor number is the GCF number.
So the greatest common factor 10980 and 10987 is 1.

Also check out the Least Common Multiple of 10980 and 10987