What is the Greatest Common Factor of 77040 and 77055?

Greatest common factor (GCF) of 77040 and 77055 is 15.

GCF(77040,77055) = 15

We will now calculate the prime factors of 77040 and 77055, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77040 and 77055.

How to find the GCF of 77040 and 77055?

We will first find the prime factorization of 77040 and 77055. After we will calculate the factors of 77040 and 77055 and find the biggest common factor number .

Step-1: Prime Factorization of 77040

Prime factors of 77040 are 2, 3, 5, 107. Prime factorization of 77040 in exponential form is:

77040 = 2⁴ × 3² × 5¹ × 107¹

Step-2: Prime Factorization of 77055

Prime factors of 77055 are 3, 5, 11, 467. Prime factorization of 77055 in exponential form is:

77055 = 3¹ × 5¹ × 11¹ × 467¹

Step-3: Factors of 77040

List of positive integer factors of 77040 that divides 77040 without a remainder.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 107, 120, 144, 180, 214, 240, 321, 360, 428, 535, 642, 720, 856, 963, 1070, 1284, 1605, 1712, 1926, 2140, 2568, 3210, 3852, 4280, 4815, 5136, 6420, 7704, 8560, 9630, 12840, 15408, 19260, 25680, 38520

Step-4: Factors of 77055

List of positive integer factors of 77055 that divides 77040 without a remainder.

1, 3, 5, 11, 15, 33, 55, 165, 467, 1401, 2335, 5137, 7005, 15411, 25685

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77040 and 77055. The biggest common factor number is the GCF number.
So the greatest common factor 77040 and 77055 is 15.

Also check out the Least Common Multiple of 77040 and 77055