What is the Greatest Common Factor of 17503 and 17520?

Greatest common factor (GCF) of 17503 and 17520 is 1.

GCF(17503,17520) = 1

We will now calculate the prime factors of 17503 and 17520, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17503 and 17520.

How to find the GCF of 17503 and 17520?

We will first find the prime factorization of 17503 and 17520. After we will calculate the factors of 17503 and 17520 and find the biggest common factor number .

Step-1: Prime Factorization of 17503

Prime factors of 17503 are 23, 761. Prime factorization of 17503 in exponential form is:

17503 = 23¹ × 761¹

Step-2: Prime Factorization of 17520

Prime factors of 17520 are 2, 3, 5, 73. Prime factorization of 17520 in exponential form is:

17520 = 2⁴ × 3¹ × 5¹ × 73¹

Step-3: Factors of 17503

List of positive integer factors of 17503 that divides 17503 without a remainder.

1, 23, 761

Step-4: Factors of 17520

List of positive integer factors of 17520 that divides 17503 without a remainder.

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17503 and 17520. The biggest common factor number is the GCF number.
So the greatest common factor 17503 and 17520 is 1.

Also check out the Least Common Multiple of 17503 and 17520