Greatest Common Factor of 971, 507, 77, 420

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 971, 507, 77, 420 by common division method
• Greatest Common Factor of 971, 507, 77, 420 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 971

List of positive integer factors of 971 that divides 971 without a remainder.

1,971

Factors of 507

List of positive integer factors of 507 that divides 507 without a remainder.

1,3,13,39,169,507

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Greatest Common Factor

We found the factors 971,507,77,420 . The biggest common factor number is the GCF number.
So the greatest common factor 971,507,77,420 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 749, 852, 21, 207
• GCF of 404, 127, 56, 829
• GCF of 451, 524, 75, 819
• GCF of 695, 190, 30, 302
• GCF of 208, 561, 81, 474

1. What is the GCF of 971, 507, 77, 420?

Answer: GCF of 971, 507, 77, 420 is 1.

2. How to Find the GCF of 971, 507, 77, 420

Answer: Greatest Common Factor(GCF) of 971, 507, 77, 420 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(971, 507, 77, 420) = 1.