Greatest Common Factor of 87, 90, 161

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

• Greatest Common Factor of 87, 90, 161 by common division method
• Greatest Common Factor of 87, 90, 161 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 161

List of positive integer factors of 161 that divides 161 without a remainder.

1,7,23,161

Greatest Common Factor

We found the factors 87,90,161 . The biggest common factor number is the GCF number.
So the greatest common factor 87,90,161 is 1.

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

• GCF of 72, 88, 305
• GCF of 78, 30, 238
• GCF of 31, 52, 815
• GCF of 66, 20, 847
• GCF of 36, 79, 908

1. What is the GCF of 87, 90, 161?

Answer: GCF of 87, 90, 161 is 1.

2. How to Find the GCF of 87, 90, 161

Answer: Greatest Common Factor(GCF) of 87, 90, 161 = 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, 161) = 1.