Greatest Common Factor of 42, 88, 64, 455

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

• Greatest Common Factor of 42, 88, 64, 455 by common division method
• Greatest Common Factor of 42, 88, 64, 455 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 88

List of positive integer factors of 88 that divides 88 without a remainder.

1,2,4,8,11,22,44,88

Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1,2,4,8,16,32,64

Factors of 455

List of positive integer factors of 455 that divides 455 without a remainder.

1,5,7,13,35,65,91,455

Greatest Common Factor

We found the factors 42,88,64,455 . The biggest common factor number is the GCF number.
So the greatest common factor 42,88,64,455 is 1.

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

• GCF of 47, 57, 64, 698
• GCF of 59, 77, 79, 353
• GCF of 22, 73, 39, 425
• GCF of 14, 55, 69, 490
• GCF of 23, 42, 69, 318

1. What is the GCF of 42, 88, 64, 455?

Answer: GCF of 42, 88, 64, 455 is 1.

2. How to Find the GCF of 42, 88, 64, 455

Answer: Greatest Common Factor(GCF) of 42, 88, 64, 455 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 88, 64, 455) = 1.