Greatest Common Factor of 40, 80, 24, 221

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

• Greatest Common Factor of 40, 80, 24, 221 by common division method
• Greatest Common Factor of 40, 80, 24, 221 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 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

Factors of 24

List of positive integer factors of 24 that divides 24 without a remainder.

1,2,3,4,6,8,12,24

Factors of 221

List of positive integer factors of 221 that divides 221 without a remainder.

1,13,17,221

Greatest Common Factor

We found the factors 40,80,24,221 . The biggest common factor number is the GCF number.
So the greatest common factor 40,80,24,221 is 1.

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

• GCF of 35, 82, 79, 408
• GCF of 98, 65, 13, 748
• GCF of 68, 70, 42, 279
• GCF of 56, 19, 44, 180
• GCF of 87, 46, 67, 563

1. What is the GCF of 40, 80, 24, 221?

Answer: GCF of 40, 80, 24, 221 is 1.

2. How to Find the GCF of 40, 80, 24, 221

Answer: Greatest Common Factor(GCF) of 40, 80, 24, 221 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 80, 24, 221) = 1.