Greatest Common Factor of 25, 21, 14, 143

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

• Greatest Common Factor of 25, 21, 14, 143 by common division method
• Greatest Common Factor of 25, 21, 14, 143 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 21

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

1,3,7,21

Factors of 14

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

1,2,7,14

Factors of 143

List of positive integer factors of 143 that divides 143 without a remainder.

1,11,13,143

Greatest Common Factor

We found the factors 25,21,14,143 . The biggest common factor number is the GCF number.
So the greatest common factor 25,21,14,143 is 1.

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

• GCF of 66, 59, 36, 663
• GCF of 43, 22, 36, 145
• GCF of 41, 86, 74, 316
• GCF of 93, 42, 33, 824
• GCF of 56, 77, 68, 320

1. What is the GCF of 25, 21, 14, 143?

Answer: GCF of 25, 21, 14, 143 is 1.

2. How to Find the GCF of 25, 21, 14, 143

Answer: Greatest Common Factor(GCF) of 25, 21, 14, 143 = 1

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

Step 2: Then multiply all the prime factors GCF(25, 21, 14, 143) = 1.