Greatest Common Factor of 42, 45, 445

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

• Greatest Common Factor of 42, 45, 445 by common division method
• Greatest Common Factor of 42, 45, 445 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 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 445

List of positive integer factors of 445 that divides 445 without a remainder.

1,5,89,445

Greatest Common Factor

We found the factors 42,45,445 . The biggest common factor number is the GCF number.
So the greatest common factor 42,45,445 is 1.

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

• GCF of 34, 54, 476
• GCF of 92, 83, 104
• GCF of 26, 84, 213
• GCF of 70, 49, 539
• GCF of 78, 54, 217

1. What is the GCF of 42, 45, 445?

Answer: GCF of 42, 45, 445 is 1.

2. How to Find the GCF of 42, 45, 445

Answer: Greatest Common Factor(GCF) of 42, 45, 445 = 1

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

Step 2: Then multiply all the prime factors GCF(42, 45, 445) = 1.