GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1598 and 1605?

Greatest common factor (GCF) of 1598 and 1605 is 1.

GCF(1598,1605) = 1

We will now calculate the prime factors of 1598 and 1605, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1598 and 1605.

GCF Calculator and
and

How to find the GCF of 1598 and 1605?

We will first find the prime factorization of 1598 and 1605. After we will calculate the factors of 1598 and 1605 and find the biggest common factor number .

Step-1: Prime Factorization of 1598

Prime factors of 1598 are 2, 17, 47. Prime factorization of 1598 in exponential form is:

1598 = 21 × 171 × 471

Step-2: Prime Factorization of 1605

Prime factors of 1605 are 3, 5, 107. Prime factorization of 1605 in exponential form is:

1605 = 31 × 51 × 1071

Step-3: Factors of 1598

List of positive integer factors of 1598 that divides 1598 without a remainder.

1, 2, 17, 34, 47, 94, 799

Step-4: Factors of 1605

List of positive integer factors of 1605 that divides 1598 without a remainder.

1, 3, 5, 15, 107, 321, 535

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1598 and 1605. The biggest common factor number is the GCF number.
So the greatest common factor 1598 and 1605 is 1.

Also check out the Least Common Multiple of 1598 and 1605