What is the Greatest Common Factor of 65943 and 65949?

Greatest common factor (GCF) of 65943 and 65949 is 3.

GCF(65943,65949) = 3

We will now calculate the prime factors of 65943 and 65949, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65943 and 65949.

How to find the GCF of 65943 and 65949?

We will first find the prime factorization of 65943 and 65949. After we will calculate the factors of 65943 and 65949 and find the biggest common factor number .

Step-1: Prime Factorization of 65943

Prime factors of 65943 are 3, 17, 431. Prime factorization of 65943 in exponential form is:

65943 = 3² × 17¹ × 431¹

Step-2: Prime Factorization of 65949

Prime factors of 65949 are 3, 13, 19, 89. Prime factorization of 65949 in exponential form is:

65949 = 3¹ × 13¹ × 19¹ × 89¹

Step-3: Factors of 65943

List of positive integer factors of 65943 that divides 65943 without a remainder.

1, 3, 9, 17, 51, 153, 431, 1293, 3879, 7327, 21981

Step-4: Factors of 65949

List of positive integer factors of 65949 that divides 65943 without a remainder.

1, 3, 13, 19, 39, 57, 89, 247, 267, 741, 1157, 1691, 3471, 5073, 21983

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65943 and 65949. The biggest common factor number is the GCF number.
So the greatest common factor 65943 and 65949 is 3.

Also check out the Least Common Multiple of 65943 and 65949