Greatest Common Factor of 145, 499, 21

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

• Greatest Common Factor of 145, 499, 21 by common division method
• Greatest Common Factor of 145, 499, 21 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 145

List of positive integer factors of 145 that divides 145 without a remainder.

1,5,29,145

Factors of 499

List of positive integer factors of 499 that divides 499 without a remainder.

1,499

Factors of 21

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

1,3,7,21

Greatest Common Factor

We found the factors 145,499,21 . The biggest common factor number is the GCF number.
So the greatest common factor 145,499,21 is 1.

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

• GCF of 678, 113, 23
• GCF of 570, 332, 32
• GCF of 307, 563, 20
• GCF of 806, 662, 33
• GCF of 720, 822, 67

1. What is the GCF of 145, 499, 21?

Answer: GCF of 145, 499, 21 is 1.

2. How to Find the GCF of 145, 499, 21

Answer: Greatest Common Factor(GCF) of 145, 499, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(145, 499, 21) = 1.