What is the Greatest Common Factor of 5481 and 5490?

Greatest common factor (GCF) of 5481 and 5490 is 9.

GCF(5481,5490) = 9

We will now calculate the prime factors of 5481 and 5490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5481 and 5490.

How to find the GCF of 5481 and 5490?

We will first find the prime factorization of 5481 and 5490. After we will calculate the factors of 5481 and 5490 and find the biggest common factor number .

Step-1: Prime Factorization of 5481

Prime factors of 5481 are 3, 7, 29. Prime factorization of 5481 in exponential form is:

5481 = 3³ × 7¹ × 29¹

Step-2: Prime Factorization of 5490

Prime factors of 5490 are 2, 3, 5, 61. Prime factorization of 5490 in exponential form is:

5490 = 2¹ × 3² × 5¹ × 61¹

Step-3: Factors of 5481

List of positive integer factors of 5481 that divides 5481 without a remainder.

1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827

Step-4: Factors of 5490

List of positive integer factors of 5490 that divides 5481 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5481 and 5490. The biggest common factor number is the GCF number.
So the greatest common factor 5481 and 5490 is 9.

Also check out the Least Common Multiple of 5481 and 5490