Greatest Common Factor of 42, 87, 70, 451

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

• Greatest Common Factor of 42, 87, 70, 451 by common division method
• Greatest Common Factor of 42, 87, 70, 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 87

List of positive integer factors of 87 that divides 87 without a remainder.

1,3,29,87

Factors of 70

List of positive integer factors of 70 that divides 70 without a remainder.

1,2,5,7,10,14,35,70

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 42,87,70,451 . The biggest common factor number is the GCF number.
So the greatest common factor 42,87,70,451 is 1.

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

• GCF of 49, 75, 65, 346
• GCF of 16, 95, 28, 502
• GCF of 34, 27, 74, 644
• GCF of 70, 19, 18, 645
• GCF of 92, 65, 77, 272

1. What is the GCF of 42, 87, 70, 451?

Answer: GCF of 42, 87, 70, 451 is 1.

2. How to Find the GCF of 42, 87, 70, 451

Answer: Greatest Common Factor(GCF) of 42, 87, 70, 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, 87, 70, 451) = 1.