Greatest Common Factor of 391, 142, 49

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

• Greatest Common Factor of 391, 142, 49 by common division method
• Greatest Common Factor of 391, 142, 49 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 391

List of positive integer factors of 391 that divides 391 without a remainder.

1,17,23,391

Factors of 142

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

1,2,71,142

Factors of 49

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

1,7,49

Greatest Common Factor

We found the factors 391,142,49 . The biggest common factor number is the GCF number.
So the greatest common factor 391,142,49 is 1.

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

• GCF of 300, 821, 94
• GCF of 396, 186, 89
• GCF of 740, 661, 60
• GCF of 335, 904, 78
• GCF of 706, 816, 49

1. What is the GCF of 391, 142, 49?

Answer: GCF of 391, 142, 49 is 1.

2. How to Find the GCF of 391, 142, 49

Answer: Greatest Common Factor(GCF) of 391, 142, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(391, 142, 49) = 1.