What is the Greatest Common Factor of 67890 and 67909?

Greatest common factor (GCF) of 67890 and 67909 is 1.

GCF(67890,67909) = 1

We will now calculate the prime factors of 67890 and 67909, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67890 and 67909.

How to find the GCF of 67890 and 67909?

We will first find the prime factorization of 67890 and 67909. After we will calculate the factors of 67890 and 67909 and find the biggest common factor number .

Step-1: Prime Factorization of 67890

Prime factors of 67890 are 2, 3, 5, 31, 73. Prime factorization of 67890 in exponential form is:

67890 = 2¹ × 3¹ × 5¹ × 31¹ × 73¹

Step-2: Prime Factorization of 67909

Prime factors of 67909 are 59, 1151. Prime factorization of 67909 in exponential form is:

67909 = 59¹ × 1151¹

Step-3: Factors of 67890

List of positive integer factors of 67890 that divides 67890 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 73, 93, 146, 155, 186, 219, 310, 365, 438, 465, 730, 930, 1095, 2190, 2263, 4526, 6789, 11315, 13578, 22630, 33945

Step-4: Factors of 67909

List of positive integer factors of 67909 that divides 67890 without a remainder.

1, 59, 1151

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67890 and 67909. The biggest common factor number is the GCF number.
So the greatest common factor 67890 and 67909 is 1.

Also check out the Least Common Multiple of 67890 and 67909