Greatest Common Factor of 77, 17, 142

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

• Greatest Common Factor of 77, 17, 142 by common division method
• Greatest Common Factor of 77, 17, 142 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 17

List of positive integer factors of 17 that divides 17 without a remainder.

1,17

Factors of 142

List of positive integer factors of 142 that divides 142 without a remainder.

1,2,71,142

Greatest Common Factor

We found the factors 77,17,142 . The biggest common factor number is the GCF number.
So the greatest common factor 77,17,142 is 1.

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

• GCF of 84, 70, 761
• GCF of 56, 98, 740
• GCF of 57, 41, 764
• GCF of 18, 38, 311
• GCF of 80, 51, 196

1. What is the GCF of 77, 17, 142?

Answer: GCF of 77, 17, 142 is 1.

2. How to Find the GCF of 77, 17, 142

Answer: Greatest Common Factor(GCF) of 77, 17, 142 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 17, 142) = 1.