Greatest Common Factor of 87, 90, 64, 49, 99

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

• Greatest Common Factor of 87, 90, 64, 49, 99 by common division method
• Greatest Common Factor of 87, 90, 64, 49, 99 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 87

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

1,3,29,87

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 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 49

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

1,7,49

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Greatest Common Factor

We found the factors 87,90,64,49,99 . The biggest common factor number is the GCF number.
So the greatest common factor 87,90,64,49,99 is 1.

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

• GCF of 84, 24, 81, 73, 41
• GCF of 99, 14, 63, 56, 72
• GCF of 45, 45, 69, 38, 89
• GCF of 19, 39, 17, 28, 92
• GCF of 83, 63, 63, 13, 63

1. What is the GCF of 87, 90, 64, 49, 99?

Answer: GCF of 87, 90, 64, 49, 99 is 1.

2. How to Find the GCF of 87, 90, 64, 49, 99

Answer: Greatest Common Factor(GCF) of 87, 90, 64, 49, 99 = 1

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

Step 2: Then multiply all the prime factors GCF(87, 90, 64, 49, 99) = 1.