What is the Greatest Common Factor of 71803 and 71820?

Greatest common factor (GCF) of 71803 and 71820 is 1.

GCF(71803,71820) = 1

We will now calculate the prime factors of 71803 and 71820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71803 and 71820.

How to find the GCF of 71803 and 71820?

We will first find the prime factorization of 71803 and 71820. After we will calculate the factors of 71803 and 71820 and find the biggest common factor number .

Step-1: Prime Factorization of 71803

Prime factors of 71803 are 59, 1217. Prime factorization of 71803 in exponential form is:

71803 = 59¹ × 1217¹

Step-2: Prime Factorization of 71820

Prime factors of 71820 are 2, 3, 5, 7, 19. Prime factorization of 71820 in exponential form is:

71820 = 2² × 3³ × 5¹ × 7¹ × 19¹

Step-3: Factors of 71803

List of positive integer factors of 71803 that divides 71803 without a remainder.

1, 59, 1217

Step-4: Factors of 71820

List of positive integer factors of 71820 that divides 71803 without a remainder.

1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4788, 5130, 5985, 7182, 7980, 10260, 11970, 14364, 17955, 23940, 35910

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71803 and 71820. The biggest common factor number is the GCF number.
So the greatest common factor 71803 and 71820 is 1.

Also check out the Least Common Multiple of 71803 and 71820