Greatest Common Factor of 42, 155, 428

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

• Greatest Common Factor of 42, 155, 428 by common division method
• Greatest Common Factor of 42, 155, 428 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 155

List of positive integer factors of 155 that divides 155 without a remainder.

1,5,31,155

Factors of 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 42,155,428 . The biggest common factor number is the GCF number.
So the greatest common factor 42,155,428 is 1.

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

• GCF of 24, 209, 425
• GCF of 53, 460, 346
• GCF of 26, 230, 904
• GCF of 83, 331, 703
• GCF of 36, 913, 141

1. What is the GCF of 42, 155, 428?

Answer: GCF of 42, 155, 428 is 1.

2. How to Find the GCF of 42, 155, 428

Answer: Greatest Common Factor(GCF) of 42, 155, 428 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 155, 428) = 1.