Greatest Common Factor of 642, 240, 438

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

• Greatest Common Factor of 642, 240, 438 by common division method
• Greatest Common Factor of 642, 240, 438 with matching the biggest common factor

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∴ So the GCF of the given numbers is 2 x 3 = 6

Factors of 642

List of positive integer factors of 642 that divides 642 without a remainder.

1,2,3,6,107,214,321,642

Factors of 240

List of positive integer factors of 240 that divides 240 without a remainder.

1,2,3,4,5,6,8,10,12,15,16,20,24,30,40,48,60,80,120,240

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 642,240,438 . The biggest common factor number is the GCF number.
So the greatest common factor 642,240,438 is 6.

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

• GCF of 608, 189, 272
• GCF of 708, 704, 949
• GCF of 755, 729, 490
• GCF of 342, 119, 114
• GCF of 132, 156, 181

1. What is the GCF of 642, 240, 438?

Answer: GCF of 642, 240, 438 is 6.

2. How to Find the GCF of 642, 240, 438

Answer: Greatest Common Factor(GCF) of 642, 240, 438 = 6

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

Step 2: Then multiply all the prime factors GCF(642, 240, 438) = 6.