Greatest Common Factor of 40, 87, 84, 49

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

• Greatest Common Factor of 40, 87, 84, 49 by common division method
• Greatest Common Factor of 40, 87, 84, 49 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 49

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

1,7,49

Greatest Common Factor

We found the factors 40,87,84,49 . The biggest common factor number is the GCF number.
So the greatest common factor 40,87,84,49 is 1.

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

• GCF of 19, 73, 45, 48
• GCF of 54, 26, 34, 86
• GCF of 22, 95, 72, 14
• GCF of 62, 90, 66, 30
• GCF of 38, 68, 98, 45

1. What is the GCF of 40, 87, 84, 49?

Answer: GCF of 40, 87, 84, 49 is 1.

2. How to Find the GCF of 40, 87, 84, 49

Answer: Greatest Common Factor(GCF) of 40, 87, 84, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(40, 87, 84, 49) = 1.