What is the Greatest Common Factor of 1477 and 1490?

Greatest common factor (GCF) of 1477 and 1490 is 1.

GCF(1477,1490) = 1

We will now calculate the prime factors of 1477 and 1490, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 1477 and 1490.

How to find the GCF of 1477 and 1490?

We will first find the prime factorization of 1477 and 1490. After we will calculate the factors of 1477 and 1490 and find the biggest common factor number .

Step-1: Prime Factorization of 1477

Prime factors of 1477 are 7, 211. Prime factorization of 1477 in exponential form is:

1477 = 7¹ × 211¹

Step-2: Prime Factorization of 1490

Prime factors of 1490 are 2, 5, 149. Prime factorization of 1490 in exponential form is:

1490 = 2¹ × 5¹ × 149¹

Step-3: Factors of 1477

List of positive integer factors of 1477 that divides 1477 without a remainder.

1, 7, 211

Step-4: Factors of 1490

List of positive integer factors of 1490 that divides 1477 without a remainder.

1, 2, 5, 10, 149, 298, 745

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 1477 and 1490. The biggest common factor number is the GCF number.
So the greatest common factor 1477 and 1490 is 1.

Also check out the Least Common Multiple of 1477 and 1490