What is the Greatest Common Factor of 1035 and 1047?

Greatest common factor (GCF) of 1035 and 1047 is 3.

GCF(1035,1047) = 3

We will now calculate the prime factors of 1035 and 1047, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1035 and 1047.

How to find the GCF of 1035 and 1047?

We will first find the prime factorization of 1035 and 1047. After we will calculate the factors of 1035 and 1047 and find the biggest common factor number .

Step-1: Prime Factorization of 1035

Prime factors of 1035 are 3, 5, 23. Prime factorization of 1035 in exponential form is:

1035 = 3² × 5¹ × 23¹

Step-2: Prime Factorization of 1047

Prime factors of 1047 are 3, 349. Prime factorization of 1047 in exponential form is:

1047 = 3¹ × 349¹

Step-3: Factors of 1035

List of positive integer factors of 1035 that divides 1035 without a remainder.

1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345

Step-4: Factors of 1047

List of positive integer factors of 1047 that divides 1035 without a remainder.

1, 3, 349

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1035 and 1047. The biggest common factor number is the GCF number.
So the greatest common factor 1035 and 1047 is 3.

Also check out the Least Common Multiple of 1035 and 1047