Greatest Common Factor of 61, 90, 73, 87

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

• Greatest Common Factor of 61, 90, 73, 87 by common division method
• Greatest Common Factor of 61, 90, 73, 87 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 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

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 73

List of positive integer factors of 73 that divides 73 without a remainder.

1,73

Factors of 87

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

1,3,29,87

Greatest Common Factor

We found the factors 61,90,73,87 . The biggest common factor number is the GCF number.
So the greatest common factor 61,90,73,87 is 1.

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

• GCF of 97, 10, 76, 29
• GCF of 68, 36, 64, 44
• GCF of 65, 78, 71, 73
• GCF of 91, 70, 56, 84
• GCF of 76, 89, 72, 67

1. What is the GCF of 61, 90, 73, 87?

Answer: GCF of 61, 90, 73, 87 is 1.

2. How to Find the GCF of 61, 90, 73, 87

Answer: Greatest Common Factor(GCF) of 61, 90, 73, 87 = 1

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

Step 2: Then multiply all the prime factors GCF(61, 90, 73, 87) = 1.