Greatest Common Factor of 30, 21, 50, 497

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

• Greatest Common Factor of 30, 21, 50, 497 by common division method
• Greatest Common Factor of 30, 21, 50, 497 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 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Factors of 21

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

1,3,7,21

Factors of 50

List of positive integer factors of 50 that divides 50 without a remainder.

1,2,5,10,25,50

Factors of 497

List of positive integer factors of 497 that divides 497 without a remainder.

1,7,71,497

Greatest Common Factor

We found the factors 30,21,50,497 . The biggest common factor number is the GCF number.
So the greatest common factor 30,21,50,497 is 1.

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

• GCF of 39, 77, 80, 587
• GCF of 28, 34, 76, 357
• GCF of 29, 78, 14, 724
• GCF of 74, 23, 76, 619
• GCF of 29, 16, 64, 473

1. What is the GCF of 30, 21, 50, 497?

Answer: GCF of 30, 21, 50, 497 is 1.

2. How to Find the GCF of 30, 21, 50, 497

Answer: Greatest Common Factor(GCF) of 30, 21, 50, 497 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 21, 50, 497) = 1.