What is the Greatest Common Factor of 1840 and 1844?

Greatest common factor (GCF) of 1840 and 1844 is 4.

GCF(1840,1844) = 4

We will now calculate the prime factors of 1840 and 1844, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1840 and 1844.

How to find the GCF of 1840 and 1844?

We will first find the prime factorization of 1840 and 1844. After we will calculate the factors of 1840 and 1844 and find the biggest common factor number .

Step-1: Prime Factorization of 1840

Prime factors of 1840 are 2, 5, 23. Prime factorization of 1840 in exponential form is:

1840 = 2⁴ × 5¹ × 23¹

Step-2: Prime Factorization of 1844

Prime factors of 1844 are 2, 461. Prime factorization of 1844 in exponential form is:

1844 = 2² × 461¹

Step-3: Factors of 1840

List of positive integer factors of 1840 that divides 1840 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920

Step-4: Factors of 1844

List of positive integer factors of 1844 that divides 1840 without a remainder.

1, 2, 4, 461, 922

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1840 and 1844. The biggest common factor number is the GCF number.
So the greatest common factor 1840 and 1844 is 4.

Also check out the Least Common Multiple of 1840 and 1844