Greatest Common Factor of 21, 45, 14, 448

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

• Greatest Common Factor of 21, 45, 14, 448 by common division method
• Greatest Common Factor of 21, 45, 14, 448 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 45

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

1,3,5,9,15,45

Factors of 14

List of positive integer factors of 14 that divides 14 without a remainder.

1,2,7,14

Factors of 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

Greatest Common Factor

We found the factors 21,45,14,448 . The biggest common factor number is the GCF number.
So the greatest common factor 21,45,14,448 is 1.

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

• GCF of 74, 18, 57, 953
• GCF of 27, 17, 14, 719
• GCF of 53, 66, 92, 821
• GCF of 89, 29, 53, 643
• GCF of 91, 92, 55, 127

1. What is the GCF of 21, 45, 14, 448?

Answer: GCF of 21, 45, 14, 448 is 1.

2. How to Find the GCF of 21, 45, 14, 448

Answer: Greatest Common Factor(GCF) of 21, 45, 14, 448 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 45, 14, 448) = 1.