What is the Greatest Common Factor of 3503 and 3520?

Greatest common factor (GCF) of 3503 and 3520 is 1.

GCF(3503,3520) = 1

We will now calculate the prime factors of 3503 and 3520, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3503 and 3520.

How to find the GCF of 3503 and 3520?

We will first find the prime factorization of 3503 and 3520. After we will calculate the factors of 3503 and 3520 and find the biggest common factor number .

Step-1: Prime Factorization of 3503

Prime factors of 3503 are 31, 113. Prime factorization of 3503 in exponential form is:

3503 = 31¹ × 113¹

Step-2: Prime Factorization of 3520

Prime factors of 3520 are 2, 5, 11. Prime factorization of 3520 in exponential form is:

3520 = 2⁶ × 5¹ × 11¹

Step-3: Factors of 3503

List of positive integer factors of 3503 that divides 3503 without a remainder.

1, 31, 113

Step-4: Factors of 3520

List of positive integer factors of 3520 that divides 3503 without a remainder.

1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3503 and 3520. The biggest common factor number is the GCF number.
So the greatest common factor 3503 and 3520 is 1.

Also check out the Least Common Multiple of 3503 and 3520