Greatest Common Factor of 42, 55, 436, 688

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

• Greatest Common Factor of 42, 55, 436, 688 by common division method
• Greatest Common Factor of 42, 55, 436, 688 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 55

List of positive integer factors of 55 that divides 55 without a remainder.

1,5,11,55

Factors of 436

List of positive integer factors of 436 that divides 436 without a remainder.

1,2,4,109,218,436

Factors of 688

List of positive integer factors of 688 that divides 688 without a remainder.

1,2,4,8,16,43,86,172,344,688

Greatest Common Factor

We found the factors 42,55,436,688 . The biggest common factor number is the GCF number.
So the greatest common factor 42,55,436,688 is 1.

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

• GCF of 23, 79, 480, 479
• GCF of 48, 23, 963, 323
• GCF of 78, 78, 414, 662
• GCF of 64, 97, 938, 961
• GCF of 83, 49, 511, 835

1. What is the GCF of 42, 55, 436, 688?

Answer: GCF of 42, 55, 436, 688 is 1.

2. How to Find the GCF of 42, 55, 436, 688

Answer: Greatest Common Factor(GCF) of 42, 55, 436, 688 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 55, 436, 688) = 1.