What is the Greatest Common Factor of 61790 and 61802?

Greatest common factor (GCF) of 61790 and 61802 is 2.

GCF(61790,61802) = 2

We will now calculate the prime factors of 61790 and 61802, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61790 and 61802.

How to find the GCF of 61790 and 61802?

We will first find the prime factorization of 61790 and 61802. After we will calculate the factors of 61790 and 61802 and find the biggest common factor number .

Step-1: Prime Factorization of 61790

Prime factors of 61790 are 2, 5, 37, 167. Prime factorization of 61790 in exponential form is:

61790 = 2¹ × 5¹ × 37¹ × 167¹

Step-2: Prime Factorization of 61802

Prime factors of 61802 are 2, 13, 2377. Prime factorization of 61802 in exponential form is:

61802 = 2¹ × 13¹ × 2377¹

Step-3: Factors of 61790

List of positive integer factors of 61790 that divides 61790 without a remainder.

1, 2, 5, 10, 37, 74, 167, 185, 334, 370, 835, 1670, 6179, 12358, 30895

Step-4: Factors of 61802

List of positive integer factors of 61802 that divides 61790 without a remainder.

1, 2, 13, 26, 2377, 4754, 30901

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61790 and 61802. The biggest common factor number is the GCF number.
So the greatest common factor 61790 and 61802 is 2.

Also check out the Least Common Multiple of 61790 and 61802