Greatest Common Factor of 31, 50, 81, 490

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

• Greatest Common Factor of 31, 50, 81, 490 by common division method
• Greatest Common Factor of 31, 50, 81, 490 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 31

List of positive integer factors of 31 that divides 31 without a remainder.

1,31

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Greatest Common Factor

We found the factors 31,50,81,490 . The biggest common factor number is the GCF number.
So the greatest common factor 31,50,81,490 is 1.

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

• GCF of 21, 16, 58, 216
• GCF of 27, 71, 23, 954
• GCF of 88, 57, 14, 986
• GCF of 61, 66, 94, 448
• GCF of 81, 52, 27, 463

1. What is the GCF of 31, 50, 81, 490?

Answer: GCF of 31, 50, 81, 490 is 1.

2. How to Find the GCF of 31, 50, 81, 490

Answer: Greatest Common Factor(GCF) of 31, 50, 81, 490 = 1

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

Step 2: Then multiply all the prime factors GCF(31, 50, 81, 490) = 1.