Greatest Common Factor of 49, 77, 21, 533

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

• Greatest Common Factor of 49, 77, 21, 533 by common division method
• Greatest Common Factor of 49, 77, 21, 533 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 49

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

1,7,49

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 21

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

1,3,7,21

Factors of 533

List of positive integer factors of 533 that divides 533 without a remainder.

1,13,41,533

Greatest Common Factor

We found the factors 49,77,21,533 . The biggest common factor number is the GCF number.
So the greatest common factor 49,77,21,533 is 1.

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

• GCF of 19, 88, 51, 824
• GCF of 73, 66, 27, 637
• GCF of 21, 65, 30, 903
• GCF of 12, 71, 29, 940
• GCF of 62, 39, 57, 996

1. What is the GCF of 49, 77, 21, 533?

Answer: GCF of 49, 77, 21, 533 is 1.

2. How to Find the GCF of 49, 77, 21, 533

Answer: Greatest Common Factor(GCF) of 49, 77, 21, 533 = 1

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

Step 2: Then multiply all the prime factors GCF(49, 77, 21, 533) = 1.