What is the Greatest Common Factor of 69540 and 69549?

Greatest common factor (GCF) of 69540 and 69549 is 3.

GCF(69540,69549) = 3

We will now calculate the prime factors of 69540 and 69549, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69540 and 69549.

How to find the GCF of 69540 and 69549?

We will first find the prime factorization of 69540 and 69549. After we will calculate the factors of 69540 and 69549 and find the biggest common factor number .

Step-1: Prime Factorization of 69540

Prime factors of 69540 are 2, 3, 5, 19, 61. Prime factorization of 69540 in exponential form is:

69540 = 2² × 3¹ × 5¹ × 19¹ × 61¹

Step-2: Prime Factorization of 69549

Prime factors of 69549 are 3, 97, 239. Prime factorization of 69549 in exponential form is:

69549 = 3¹ × 97¹ × 239¹

Step-3: Factors of 69540

List of positive integer factors of 69540 that divides 69540 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 285, 305, 366, 380, 570, 610, 732, 915, 1140, 1159, 1220, 1830, 2318, 3477, 3660, 4636, 5795, 6954, 11590, 13908, 17385, 23180, 34770

Step-4: Factors of 69549

List of positive integer factors of 69549 that divides 69540 without a remainder.

1, 3, 97, 239, 291, 717, 23183

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69540 and 69549. The biggest common factor number is the GCF number.
So the greatest common factor 69540 and 69549 is 3.

Also check out the Least Common Multiple of 69540 and 69549