What is the Greatest Common Factor of 7530 and 7542?

Greatest common factor (GCF) of 7530 and 7542 is 6.

GCF(7530,7542) = 6

We will now calculate the prime factors of 7530 and 7542, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7530 and 7542.

How to find the GCF of 7530 and 7542?

We will first find the prime factorization of 7530 and 7542. After we will calculate the factors of 7530 and 7542 and find the biggest common factor number .

Step-1: Prime Factorization of 7530

Prime factors of 7530 are 2, 3, 5, 251. Prime factorization of 7530 in exponential form is:

7530 = 2¹ × 3¹ × 5¹ × 251¹

Step-2: Prime Factorization of 7542

Prime factors of 7542 are 2, 3, 419. Prime factorization of 7542 in exponential form is:

7542 = 2¹ × 3² × 419¹

Step-3: Factors of 7530

List of positive integer factors of 7530 that divides 7530 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 3765

Step-4: Factors of 7542

List of positive integer factors of 7542 that divides 7530 without a remainder.

1, 2, 3, 6, 9, 18, 419, 838, 1257, 2514, 3771

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7530 and 7542. The biggest common factor number is the GCF number.
So the greatest common factor 7530 and 7542 is 6.

Also check out the Least Common Multiple of 7530 and 7542