What is the Greatest Common Factor of 49761 and 49780?

Greatest common factor (GCF) of 49761 and 49780 is 19.

GCF(49761,49780) = 19

We will now calculate the prime factors of 49761 and 49780, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 49761 and 49780.

How to find the GCF of 49761 and 49780?

We will first find the prime factorization of 49761 and 49780. After we will calculate the factors of 49761 and 49780 and find the biggest common factor number .

Step-1: Prime Factorization of 49761

Prime factors of 49761 are 3, 19, 97. Prime factorization of 49761 in exponential form is:

49761 = 3³ × 19¹ × 97¹

Step-2: Prime Factorization of 49780

Prime factors of 49780 are 2, 5, 19, 131. Prime factorization of 49780 in exponential form is:

49780 = 2² × 5¹ × 19¹ × 131¹

Step-3: Factors of 49761

List of positive integer factors of 49761 that divides 49761 without a remainder.

1, 3, 9, 19, 27, 57, 97, 171, 291, 513, 873, 1843, 2619, 5529, 16587

Step-4: Factors of 49780

List of positive integer factors of 49780 that divides 49761 without a remainder.

1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 1310, 2489, 2620, 4978, 9956, 12445, 24890

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 49761 and 49780. The biggest common factor number is the GCF number.
So the greatest common factor 49761 and 49780 is 19.

Also check out the Least Common Multiple of 49761 and 49780