Greatest Common Factor of 90, 76, 21, 711

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

• Greatest Common Factor of 90, 76, 21, 711 by common division method
• Greatest Common Factor of 90, 76, 21, 711 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 711

List of positive integer factors of 711 that divides 711 without a remainder.

1,3,9,79,237,711

Greatest Common Factor

We found the factors 90,76,21,711 . The biggest common factor number is the GCF number.
So the greatest common factor 90,76,21,711 is 1.

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

• GCF of 82, 52, 72, 423
• GCF of 90, 15, 20, 198
• GCF of 36, 88, 94, 202
• GCF of 29, 26, 62, 647
• GCF of 27, 66, 38, 318

1. What is the GCF of 90, 76, 21, 711?

Answer: GCF of 90, 76, 21, 711 is 1.

2. How to Find the GCF of 90, 76, 21, 711

Answer: Greatest Common Factor(GCF) of 90, 76, 21, 711 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 76, 21, 711) = 1.