Greatest Common Factor of 16, 20, 30, 457

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

• Greatest Common Factor of 16, 20, 30, 457 by common division method
• Greatest Common Factor of 16, 20, 30, 457 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 16

List of positive integer factors of 16 that divides 16 without a remainder.

1,2,4,8,16

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

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 457

List of positive integer factors of 457 that divides 457 without a remainder.

1,457

Greatest Common Factor

We found the factors 16,20,30,457 . The biggest common factor number is the GCF number.
So the greatest common factor 16,20,30,457 is 1.

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

• GCF of 52, 46, 48, 630
• GCF of 42, 21, 37, 492
• GCF of 66, 41, 53, 117
• GCF of 41, 27, 17, 802
• GCF of 47, 12, 63, 891

1. What is the GCF of 16, 20, 30, 457?

Answer: GCF of 16, 20, 30, 457 is 1.

2. How to Find the GCF of 16, 20, 30, 457

Answer: Greatest Common Factor(GCF) of 16, 20, 30, 457 = 1

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

Step 2: Then multiply all the prime factors GCF(16, 20, 30, 457) = 1.