Greatest Common Factor of 30, 690, 400

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

• Greatest Common Factor of 30, 690, 400 by common division method
• Greatest Common Factor of 30, 690, 400 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 5 = 10

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 690

List of positive integer factors of 690 that divides 690 without a remainder.

1,2,3,5,6,10,15,23,30,46,69,115,138,230,345,690

Factors of 400

List of positive integer factors of 400 that divides 400 without a remainder.

1,2,4,5,8,10,16,20,25,40,50,80,100,200,400

Greatest Common Factor

We found the factors 30,690,400 . The biggest common factor number is the GCF number.
So the greatest common factor 30,690,400 is 10.

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

• GCF of 99, 497, 752
• GCF of 74, 847, 704
• GCF of 80, 835, 349
• GCF of 93, 594, 525
• GCF of 13, 213, 864

1. What is the GCF of 30, 690, 400?

Answer: GCF of 30, 690, 400 is 10.

2. How to Find the GCF of 30, 690, 400

Answer: Greatest Common Factor(GCF) of 30, 690, 400 = 10

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

Step 2: Then multiply all the prime factors GCF(30, 690, 400) = 10.