What is the Greatest Common Factor of 67640 and 67650?

Greatest common factor (GCF) of 67640 and 67650 is 10.

GCF(67640,67650) = 10

We will now calculate the prime factors of 67640 and 67650, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67640 and 67650.

How to find the GCF of 67640 and 67650?

We will first find the prime factorization of 67640 and 67650. After we will calculate the factors of 67640 and 67650 and find the biggest common factor number .

Step-1: Prime Factorization of 67640

Prime factors of 67640 are 2, 5, 19, 89. Prime factorization of 67640 in exponential form is:

67640 = 2³ × 5¹ × 19¹ × 89¹

Step-2: Prime Factorization of 67650

Prime factors of 67650 are 2, 3, 5, 11, 41. Prime factorization of 67650 in exponential form is:

67650 = 2¹ × 3¹ × 5² × 11¹ × 41¹

Step-3: Factors of 67640

List of positive integer factors of 67640 that divides 67640 without a remainder.

1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 356, 380, 445, 712, 760, 890, 1691, 1780, 3382, 3560, 6764, 8455, 13528, 16910, 33820

Step-4: Factors of 67650

List of positive integer factors of 67650 that divides 67640 without a remainder.

1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 41, 50, 55, 66, 75, 82, 110, 123, 150, 165, 205, 246, 275, 330, 410, 451, 550, 615, 825, 902, 1025, 1230, 1353, 1650, 2050, 2255, 2706, 3075, 4510, 6150, 6765, 11275, 13530, 22550, 33825

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67640 and 67650. The biggest common factor number is the GCF number.
So the greatest common factor 67640 and 67650 is 10.

Also check out the Least Common Multiple of 67640 and 67650