What is the Greatest Common Factor of 67620 and 67639?

Greatest common factor (GCF) of 67620 and 67639 is 1.

GCF(67620,67639) = 1

We will now calculate the prime factors of 67620 and 67639, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 67620 and 67639.

How to find the GCF of 67620 and 67639?

We will first find the prime factorization of 67620 and 67639. After we will calculate the factors of 67620 and 67639 and find the biggest common factor number .

Step-1: Prime Factorization of 67620

Prime factors of 67620 are 2, 3, 5, 7, 23. Prime factorization of 67620 in exponential form is:

67620 = 2² × 3¹ × 5¹ × 7² × 23¹

Step-2: Prime Factorization of 67639

Prime factors of 67639 are 11, 13, 43. Prime factorization of 67639 in exponential form is:

67639 = 11² × 13¹ × 43¹

Step-3: Factors of 67620

List of positive integer factors of 67620 that divides 67620 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4508, 4830, 5635, 6762, 9660, 11270, 13524, 16905, 22540, 33810

Step-4: Factors of 67639

List of positive integer factors of 67639 that divides 67620 without a remainder.

1, 11, 13, 43, 121, 143, 473, 559, 1573, 5203, 6149

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 67620 and 67639. The biggest common factor number is the GCF number.
So the greatest common factor 67620 and 67639 is 1.

Also check out the Least Common Multiple of 67620 and 67639