Greatest Common Factor of 90, 49, 21, 176

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

• Greatest Common Factor of 90, 49, 21, 176 by common division method
• Greatest Common Factor of 90, 49, 21, 176 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 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 21

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

1,3,7,21

Factors of 176

List of positive integer factors of 176 that divides 176 without a remainder.

1,2,4,8,11,16,22,44,88,176

Greatest Common Factor

We found the factors 90,49,21,176 . The biggest common factor number is the GCF number.
So the greatest common factor 90,49,21,176 is 1.

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

• GCF of 80, 71, 74, 391
• GCF of 38, 36, 98, 891
• GCF of 89, 20, 94, 240
• GCF of 19, 48, 50, 541
• GCF of 22, 98, 69, 983

1. What is the GCF of 90, 49, 21, 176?

Answer: GCF of 90, 49, 21, 176 is 1.

2. How to Find the GCF of 90, 49, 21, 176

Answer: Greatest Common Factor(GCF) of 90, 49, 21, 176 = 1

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

Step 2: Then multiply all the prime factors GCF(90, 49, 21, 176) = 1.