Greatest Common Factor of 700, 305, 21

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

• Greatest Common Factor of 700, 305, 21 by common division method
• Greatest Common Factor of 700, 305, 21 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 700

List of positive integer factors of 700 that divides 700 without a remainder.

1,2,4,5,7,10,14,20,25,28,35,50,70,100,140,175,350,700

Factors of 305

List of positive integer factors of 305 that divides 305 without a remainder.

1,5,61,305

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 700,305,21 . The biggest common factor number is the GCF number.
So the greatest common factor 700,305,21 is 1.

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

• GCF of 433, 668, 61
• GCF of 113, 349, 89
• GCF of 243, 869, 94
• GCF of 555, 391, 89
• GCF of 763, 169, 14

1. What is the GCF of 700, 305, 21?

Answer: GCF of 700, 305, 21 is 1.

2. How to Find the GCF of 700, 305, 21

Answer: Greatest Common Factor(GCF) of 700, 305, 21 = 1

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

Step 2: Then multiply all the prime factors GCF(700, 305, 21) = 1.