Greatest Common Factor of 30, 64, 45, 42, 394

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

• Greatest Common Factor of 30, 64, 45, 42, 394 by common division method
• Greatest Common Factor of 30, 64, 45, 42, 394 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

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 45

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

1,3,5,9,15,45

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 394

List of positive integer factors of 394 that divides 394 without a remainder.

1,2,197,394

Greatest Common Factor

We found the factors 30,64,45,42,394 . The biggest common factor number is the GCF number.
So the greatest common factor 30,64,45,42,394 is 1.

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

• GCF of 21, 94, 28, 96, 223
• GCF of 52, 36, 95, 27, 911
• GCF of 85, 88, 87, 45, 334
• GCF of 66, 58, 22, 96, 143
• GCF of 16, 15, 53, 74, 751

1. What is the GCF of 30, 64, 45, 42, 394?

Answer: GCF of 30, 64, 45, 42, 394 is 1.

2. How to Find the GCF of 30, 64, 45, 42, 394

Answer: Greatest Common Factor(GCF) of 30, 64, 45, 42, 394 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 64, 45, 42, 394) = 1.