Greatest Common Factor of 45, 49, 21, 522

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

• Greatest Common Factor of 45, 49, 21, 522 by common division method
• Greatest Common Factor of 45, 49, 21, 522 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 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 21

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

1,3,7,21

Factors of 522

List of positive integer factors of 522 that divides 522 without a remainder.

1,2,3,6,9,18,29,58,87,174,261,522

Greatest Common Factor

We found the factors 45,49,21,522 . The biggest common factor number is the GCF number.
So the greatest common factor 45,49,21,522 is 1.

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

• GCF of 64, 51, 38, 555
• GCF of 31, 65, 94, 517
• GCF of 98, 24, 69, 737
• GCF of 33, 20, 31, 194
• GCF of 96, 28, 37, 244

1. What is the GCF of 45, 49, 21, 522?

Answer: GCF of 45, 49, 21, 522 is 1.

2. How to Find the GCF of 45, 49, 21, 522

Answer: Greatest Common Factor(GCF) of 45, 49, 21, 522 = 1

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

Step 2: Then multiply all the prime factors GCF(45, 49, 21, 522) = 1.