Greatest Common Factor of 247, 142, 51

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

• Greatest Common Factor of 247, 142, 51 by common division method
• Greatest Common Factor of 247, 142, 51 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 247

List of positive integer factors of 247 that divides 247 without a remainder.

1,13,19,247

Factors of 142

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

1,2,71,142

Factors of 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Greatest Common Factor

We found the factors 247,142,51 . The biggest common factor number is the GCF number.
So the greatest common factor 247,142,51 is 1.

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

• GCF of 587, 595, 40
• GCF of 657, 994, 71
• GCF of 128, 962, 53
• GCF of 810, 836, 67
• GCF of 987, 408, 29

1. What is the GCF of 247, 142, 51?

Answer: GCF of 247, 142, 51 is 1.

2. How to Find the GCF of 247, 142, 51

Answer: Greatest Common Factor(GCF) of 247, 142, 51 = 1

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

Step 2: Then multiply all the prime factors GCF(247, 142, 51) = 1.