What is the Greatest Common Factor of 1505 and 1513?

Greatest common factor (GCF) of 1505 and 1513 is 1.

GCF(1505,1513) = 1

We will now calculate the prime factors of 1505 and 1513, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1505 and 1513.

How to find the GCF of 1505 and 1513?

We will first find the prime factorization of 1505 and 1513. After we will calculate the factors of 1505 and 1513 and find the biggest common factor number .

Step-1: Prime Factorization of 1505

Prime factors of 1505 are 5, 7, 43. Prime factorization of 1505 in exponential form is:

1505 = 5¹ × 7¹ × 43¹

Step-2: Prime Factorization of 1513

Prime factors of 1513 are 17, 89. Prime factorization of 1513 in exponential form is:

1513 = 17¹ × 89¹

Step-3: Factors of 1505

List of positive integer factors of 1505 that divides 1505 without a remainder.

1, 5, 7, 35, 43, 215, 301

Step-4: Factors of 1513

List of positive integer factors of 1513 that divides 1505 without a remainder.

1, 17, 89

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1505 and 1513. The biggest common factor number is the GCF number.
So the greatest common factor 1505 and 1513 is 1.

Also check out the Least Common Multiple of 1505 and 1513