What is the Greatest Common Factor of 25380 and 25391?

Greatest common factor (GCF) of 25380 and 25391 is 1.

GCF(25380,25391) = 1

We will now calculate the prime factors of 25380 and 25391, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25380 and 25391.

How to find the GCF of 25380 and 25391?

We will first find the prime factorization of 25380 and 25391. After we will calculate the factors of 25380 and 25391 and find the biggest common factor number .

Step-1: Prime Factorization of 25380

Prime factors of 25380 are 2, 3, 5, 47. Prime factorization of 25380 in exponential form is:

25380 = 2² × 3³ × 5¹ × 47¹

Step-2: Prime Factorization of 25391

Prime factors of 25391 are 25391. Prime factorization of 25391 in exponential form is:

25391 = 25391¹

Step-3: Factors of 25380

List of positive integer factors of 25380 that divides 25380 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 940, 1269, 1410, 1692, 2115, 2538, 2820, 4230, 5076, 6345, 8460, 12690

Step-4: Factors of 25391

List of positive integer factors of 25391 that divides 25380 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25380 and 25391. The biggest common factor number is the GCF number.
So the greatest common factor 25380 and 25391 is 1.

Also check out the Least Common Multiple of 25380 and 25391