Greatest Common Factor of 21, 45, 49, 527

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

• Greatest Common Factor of 21, 45, 49, 527 by common division method
• Greatest Common Factor of 21, 45, 49, 527 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 45

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

1,3,5,9,15,45

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Factors of 527

List of positive integer factors of 527 that divides 527 without a remainder.

1,17,31,527

Greatest Common Factor

We found the factors 21,45,49,527 . The biggest common factor number is the GCF number.
So the greatest common factor 21,45,49,527 is 1.

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

• GCF of 71, 98, 11, 646
• GCF of 61, 32, 22, 191
• GCF of 37, 44, 12, 560
• GCF of 10, 77, 98, 875
• GCF of 72, 11, 21, 394

1. What is the GCF of 21, 45, 49, 527?

Answer: GCF of 21, 45, 49, 527 is 1.

2. How to Find the GCF of 21, 45, 49, 527

Answer: Greatest Common Factor(GCF) of 21, 45, 49, 527 = 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, 49, 527) = 1.