Greatest Common Factor of 42, 742, 257

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

• Greatest Common Factor of 42, 742, 257 by common division method
• Greatest Common Factor of 42, 742, 257 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 742

List of positive integer factors of 742 that divides 742 without a remainder.

1,2,7,14,53,106,371,742

Factors of 257

List of positive integer factors of 257 that divides 257 without a remainder.

1,257

Greatest Common Factor

We found the factors 42,742,257 . The biggest common factor number is the GCF number.
So the greatest common factor 42,742,257 is 1.

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

• GCF of 97, 523, 156
• GCF of 78, 277, 890
• GCF of 40, 695, 901
• GCF of 79, 948, 282
• GCF of 58, 297, 171

1. What is the GCF of 42, 742, 257?

Answer: GCF of 42, 742, 257 is 1.

2. How to Find the GCF of 42, 742, 257

Answer: Greatest Common Factor(GCF) of 42, 742, 257 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 742, 257) = 1.