GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1399 and 1403?

Greatest common factor (GCF) of 1399 and 1403 is 1.

GCF(1399,1403) = 1

We will now calculate the prime factors of 1399 and 1403, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1399 and 1403.

GCF Calculator and
and

How to find the GCF of 1399 and 1403?

We will first find the prime factorization of 1399 and 1403. After we will calculate the factors of 1399 and 1403 and find the biggest common factor number .

Step-1: Prime Factorization of 1399

Prime factors of 1399 are 1399. Prime factorization of 1399 in exponential form is:

1399 = 13991

Step-2: Prime Factorization of 1403

Prime factors of 1403 are 23, 61. Prime factorization of 1403 in exponential form is:

1403 = 231 × 611

Step-3: Factors of 1399

List of positive integer factors of 1399 that divides 1399 without a remainder.

1

Step-4: Factors of 1403

List of positive integer factors of 1403 that divides 1399 without a remainder.

1, 23, 61

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1399 and 1403. The biggest common factor number is the GCF number.
So the greatest common factor 1399 and 1403 is 1.

Also check out the Least Common Multiple of 1399 and 1403