What is the Greatest Common Factor of 1590 and 1602?

Greatest common factor (GCF) of 1590 and 1602 is 6.

GCF(1590,1602) = 6

We will now calculate the prime factors of 1590 and 1602, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1590 and 1602.

How to find the GCF of 1590 and 1602?

We will first find the prime factorization of 1590 and 1602. After we will calculate the factors of 1590 and 1602 and find the biggest common factor number .

Step-1: Prime Factorization of 1590

Prime factors of 1590 are 2, 3, 5, 53. Prime factorization of 1590 in exponential form is:

1590 = 2¹ × 3¹ × 5¹ × 53¹

Step-2: Prime Factorization of 1602

Prime factors of 1602 are 2, 3, 89. Prime factorization of 1602 in exponential form is:

1602 = 2¹ × 3² × 89¹

Step-3: Factors of 1590

List of positive integer factors of 1590 that divides 1590 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795

Step-4: Factors of 1602

List of positive integer factors of 1602 that divides 1590 without a remainder.

1, 2, 3, 6, 9, 18, 89, 178, 267, 534, 801

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1590 and 1602. The biggest common factor number is the GCF number.
So the greatest common factor 1590 and 1602 is 6.

Also check out the Least Common Multiple of 1590 and 1602