Greatest Common Factor of 21, 25, 94, 407

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

• Greatest Common Factor of 21, 25, 94, 407 by common division method
• Greatest Common Factor of 21, 25, 94, 407 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 21

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

1,3,7,21

Factors of 25

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

1,5,25

Factors of 94

List of positive integer factors of 94 that divides 94 without a remainder.

1,2,47,94

Factors of 407

List of positive integer factors of 407 that divides 407 without a remainder.

1,11,37,407

Greatest Common Factor

We found the factors 21,25,94,407 . The biggest common factor number is the GCF number.
So the greatest common factor 21,25,94,407 is 1.

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

• GCF of 38, 46, 29, 582
• GCF of 85, 27, 39, 198
• GCF of 18, 53, 82, 559
• GCF of 49, 46, 86, 935
• GCF of 39, 58, 21, 974

1. What is the GCF of 21, 25, 94, 407?

Answer: GCF of 21, 25, 94, 407 is 1.

2. How to Find the GCF of 21, 25, 94, 407

Answer: Greatest Common Factor(GCF) of 21, 25, 94, 407 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 25, 94, 407) = 1.