Greatest Common Factor of 42, 17, 91, 451

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

• Greatest Common Factor of 42, 17, 91, 451 by common division method
• Greatest Common Factor of 42, 17, 91, 451 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 17

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

1,17

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 451

List of positive integer factors of 451 that divides 451 without a remainder.

1,11,41,451

Greatest Common Factor

We found the factors 42,17,91,451 . The biggest common factor number is the GCF number.
So the greatest common factor 42,17,91,451 is 1.

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

• GCF of 77, 98, 94, 793
• GCF of 18, 97, 84, 844
• GCF of 77, 21, 97, 771
• GCF of 24, 60, 22, 860
• GCF of 48, 21, 90, 419

1. What is the GCF of 42, 17, 91, 451?

Answer: GCF of 42, 17, 91, 451 is 1.

2. How to Find the GCF of 42, 17, 91, 451

Answer: Greatest Common Factor(GCF) of 42, 17, 91, 451 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 17, 91, 451) = 1.