What is the Greatest Common Factor of 61000 and 61018?

Greatest common factor (GCF) of 61000 and 61018 is 2.

GCF(61000,61018) = 2

We will now calculate the prime factors of 61000 and 61018, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61000 and 61018.

How to find the GCF of 61000 and 61018?

We will first find the prime factorization of 61000 and 61018. After we will calculate the factors of 61000 and 61018 and find the biggest common factor number .

Step-1: Prime Factorization of 61000

Prime factors of 61000 are 2, 5, 61. Prime factorization of 61000 in exponential form is:

61000 = 2³ × 5³ × 61¹

Step-2: Prime Factorization of 61018

Prime factors of 61018 are 2, 30509. Prime factorization of 61018 in exponential form is:

61018 = 2¹ × 30509¹

Step-3: Factors of 61000

List of positive integer factors of 61000 that divides 61000 without a remainder.

1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 610, 1000, 1220, 1525, 2440, 3050, 6100, 7625, 12200, 15250, 30500

Step-4: Factors of 61018

List of positive integer factors of 61018 that divides 61000 without a remainder.

1, 2, 30509

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61000 and 61018. The biggest common factor number is the GCF number.
So the greatest common factor 61000 and 61018 is 2.

Also check out the Least Common Multiple of 61000 and 61018