Greatest Common Factor of 42, 98, 68, 357

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

• Greatest Common Factor of 42, 98, 68, 357 by common division method
• Greatest Common Factor of 42, 98, 68, 357 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 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 357

List of positive integer factors of 357 that divides 357 without a remainder.

1,3,7,17,21,51,119,357

Greatest Common Factor

We found the factors 42,98,68,357 . The biggest common factor number is the GCF number.
So the greatest common factor 42,98,68,357 is 1.

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

• GCF of 81, 50, 30, 395
• GCF of 78, 80, 17, 768
• GCF of 75, 68, 89, 201
• GCF of 37, 95, 68, 684
• GCF of 21, 78, 40, 612

1. What is the GCF of 42, 98, 68, 357?

Answer: GCF of 42, 98, 68, 357 is 1.

2. How to Find the GCF of 42, 98, 68, 357

Answer: Greatest Common Factor(GCF) of 42, 98, 68, 357 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 98, 68, 357) = 1.