GCF and LCM Calculator Logo

What is the Greatest Common Factor of 1562 and 1577?

Greatest common factor (GCF) of 1562 and 1577 is 1.

GCF(1562,1577) = 1

We will now calculate the prime factors of 1562 and 1577, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1562 and 1577.

GCF Calculator and
and

How to find the GCF of 1562 and 1577?

We will first find the prime factorization of 1562 and 1577. After we will calculate the factors of 1562 and 1577 and find the biggest common factor number .

Step-1: Prime Factorization of 1562

Prime factors of 1562 are 2, 11, 71. Prime factorization of 1562 in exponential form is:

1562 = 21 × 111 × 711

Step-2: Prime Factorization of 1577

Prime factors of 1577 are 19, 83. Prime factorization of 1577 in exponential form is:

1577 = 191 × 831

Step-3: Factors of 1562

List of positive integer factors of 1562 that divides 1562 without a remainder.

1, 2, 11, 22, 71, 142, 781

Step-4: Factors of 1577

List of positive integer factors of 1577 that divides 1562 without a remainder.

1, 19, 83

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1562 and 1577. The biggest common factor number is the GCF number.
So the greatest common factor 1562 and 1577 is 1.

Also check out the Least Common Multiple of 1562 and 1577