Greatest Common Factor of 980, 247, 810, 420

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

• Greatest Common Factor of 980, 247, 810, 420 by common division method
• Greatest Common Factor of 980, 247, 810, 420 with matching the biggest common factor

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

Factors of 980

List of positive integer factors of 980 that divides 980 without a remainder.

1,2,4,5,7,10,14,20,28,35,49,70,98,140,196,245,490,980

Factors of 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Factors of 810

List of positive integer factors of 810 that divides 810 without a remainder.

1,2,3,5,6,9,10,15,18,27,30,45,54,81,90,135,162,270,405,810

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 980,247,810,420 . The biggest common factor number is the GCF number.
So the greatest common factor 980,247,810,420 is 1.

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

• GCF of 221, 825, 253, 948
• GCF of 386, 621, 888, 276
• GCF of 736, 112, 468, 608
• GCF of 119, 709, 975, 131
• GCF of 198, 211, 456, 407

1. What is the GCF of 980, 247, 810, 420?

Answer: GCF of 980, 247, 810, 420 is 1.

2. How to Find the GCF of 980, 247, 810, 420

Answer: Greatest Common Factor(GCF) of 980, 247, 810, 420 = 1

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

Step 2: Then multiply all the prime factors GCF(980, 247, 810, 420) = 1.