Greatest Common Factor of 8, 49, 57, 40

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

• Greatest Common Factor of 8, 49, 57, 40 by common division method
• Greatest Common Factor of 8, 49, 57, 40 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 8

List of positive integer factors of 8 that divides 8 without a remainder.

1,2,4,8

Factors of 49

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

1,7,49

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 40

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

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

Greatest Common Factor

We found the factors 8,49,57,40 . The biggest common factor number is the GCF number.
So the greatest common factor 8,49,57,40 is 1.

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

• GCF of 7, 70, 55, 73
• GCF of 8, 12, 22, 74
• GCF of 1, 82, 86, 21
• GCF of 1, 23, 17, 28
• GCF of 7, 82, 65, 68

1. What is the GCF of 8, 49, 57, 40?

Answer: GCF of 8, 49, 57, 40 is 1.

2. How to Find the GCF of 8, 49, 57, 40

Answer: Greatest Common Factor(GCF) of 8, 49, 57, 40 = 1

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

Step 2: Then multiply all the prime factors GCF(8, 49, 57, 40) = 1.