What is the Greatest Common Factor of 69390 and 69398?

Greatest common factor (GCF) of 69390 and 69398 is 2.

GCF(69390,69398) = 2

We will now calculate the prime factors of 69390 and 69398, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 69390 and 69398.

How to find the GCF of 69390 and 69398?

We will first find the prime factorization of 69390 and 69398. After we will calculate the factors of 69390 and 69398 and find the biggest common factor number .

Step-1: Prime Factorization of 69390

Prime factors of 69390 are 2, 3, 5, 257. Prime factorization of 69390 in exponential form is:

69390 = 2¹ × 3³ × 5¹ × 257¹

Step-2: Prime Factorization of 69398

Prime factors of 69398 are 2, 7, 4957. Prime factorization of 69398 in exponential form is:

69398 = 2¹ × 7¹ × 4957¹

Step-3: Factors of 69390

List of positive integer factors of 69390 that divides 69390 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 257, 270, 514, 771, 1285, 1542, 2313, 2570, 3855, 4626, 6939, 7710, 11565, 13878, 23130, 34695

Step-4: Factors of 69398

List of positive integer factors of 69398 that divides 69390 without a remainder.

1, 2, 7, 14, 4957, 9914, 34699

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 69390 and 69398. The biggest common factor number is the GCF number.
So the greatest common factor 69390 and 69398 is 2.

Also check out the Least Common Multiple of 69390 and 69398