Greatest Common Factor of 42, 90, 56, 55, 465

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

• Greatest Common Factor of 42, 90, 56, 55, 465 by common division method
• Greatest Common Factor of 42, 90, 56, 55, 465 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 90

List of positive integer factors of 90 that divides 90 without a remainder.

1,2,3,5,6,9,10,15,18,30,45,90

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 55

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

1,5,11,55

Factors of 465

List of positive integer factors of 465 that divides 465 without a remainder.

1,3,5,15,31,93,155,465

Greatest Common Factor

We found the factors 42,90,56,55,465 . The biggest common factor number is the GCF number.
So the greatest common factor 42,90,56,55,465 is 1.

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

• GCF of 75, 75, 63, 45, 206
• GCF of 27, 63, 87, 35, 595
• GCF of 39, 65, 62, 25, 627
• GCF of 12, 12, 69, 46, 702
• GCF of 16, 64, 48, 96, 212

1. What is the GCF of 42, 90, 56, 55, 465?

Answer: GCF of 42, 90, 56, 55, 465 is 1.

2. How to Find the GCF of 42, 90, 56, 55, 465

Answer: Greatest Common Factor(GCF) of 42, 90, 56, 55, 465 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 90, 56, 55, 465) = 1.