GCF and LCM Calculator Logo

What is the Greatest Common Factor of 25840 and 25844?

Greatest common factor (GCF) of 25840 and 25844 is 4.

GCF(25840,25844) = 4

We will now calculate the prime factors of 25840 and 25844, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 25840 and 25844.

GCF Calculator and
and

How to find the GCF of 25840 and 25844?

We will first find the prime factorization of 25840 and 25844. After we will calculate the factors of 25840 and 25844 and find the biggest common factor number .

Step-1: Prime Factorization of 25840

Prime factors of 25840 are 2, 5, 17, 19. Prime factorization of 25840 in exponential form is:

25840 = 24 × 51 × 171 × 191

Step-2: Prime Factorization of 25844

Prime factors of 25844 are 2, 7, 13, 71. Prime factorization of 25844 in exponential form is:

25844 = 22 × 71 × 131 × 711

Step-3: Factors of 25840

List of positive integer factors of 25840 that divides 25840 without a remainder.

1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920

Step-4: Factors of 25844

List of positive integer factors of 25844 that divides 25840 without a remainder.

1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 3692, 6461, 12922

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 25840 and 25844. The biggest common factor number is the GCF number.
So the greatest common factor 25840 and 25844 is 4.

Also check out the Least Common Multiple of 25840 and 25844