What is the Greatest Common Factor of 1860 and 1864?

Greatest common factor (GCF) of 1860 and 1864 is 4.

GCF(1860,1864) = 4

We will now calculate the prime factors of 1860 and 1864, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1860 and 1864.

How to find the GCF of 1860 and 1864?

We will first find the prime factorization of 1860 and 1864. After we will calculate the factors of 1860 and 1864 and find the biggest common factor number .

Step-1: Prime Factorization of 1860

Prime factors of 1860 are 2, 3, 5, 31. Prime factorization of 1860 in exponential form is:

1860 = 2² × 3¹ × 5¹ × 31¹

Step-2: Prime Factorization of 1864

Prime factors of 1864 are 2, 233. Prime factorization of 1864 in exponential form is:

1864 = 2³ × 233¹

Step-3: Factors of 1860

List of positive integer factors of 1860 that divides 1860 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930

Step-4: Factors of 1864

List of positive integer factors of 1864 that divides 1860 without a remainder.

1, 2, 4, 8, 233, 466, 932

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1860 and 1864. The biggest common factor number is the GCF number.
So the greatest common factor 1860 and 1864 is 4.

Also check out the Least Common Multiple of 1860 and 1864