What is the Greatest Common Factor of 1480 and 1489?

Greatest common factor (GCF) of 1480 and 1489 is 1.

GCF(1480,1489) = 1

We will now calculate the prime factors of 1480 and 1489, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1480 and 1489.

How to find the GCF of 1480 and 1489?

We will first find the prime factorization of 1480 and 1489. After we will calculate the factors of 1480 and 1489 and find the biggest common factor number .

Step-1: Prime Factorization of 1480

Prime factors of 1480 are 2, 5, 37. Prime factorization of 1480 in exponential form is:

1480 = 2³ × 5¹ × 37¹

Step-2: Prime Factorization of 1489

Prime factors of 1489 are 1489. Prime factorization of 1489 in exponential form is:

1489 = 1489¹

Step-3: Factors of 1480

List of positive integer factors of 1480 that divides 1480 without a remainder.

1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740

Step-4: Factors of 1489

List of positive integer factors of 1489 that divides 1480 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1480 and 1489. The biggest common factor number is the GCF number.
So the greatest common factor 1480 and 1489 is 1.

Also check out the Least Common Multiple of 1480 and 1489