Greatest Common Factor of 642, 675, 19

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

• Greatest Common Factor of 642, 675, 19 by common division method
• Greatest Common Factor of 642, 675, 19 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 642

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

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

Factors of 675

List of positive integer factors of 675 that divides 675 without a remainder.

1,3,5,9,15,25,27,45,75,135,225,675

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Greatest Common Factor

We found the factors 642,675,19 . The biggest common factor number is the GCF number.
So the greatest common factor 642,675,19 is 1.

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

• GCF of 663, 750, 60
• GCF of 689, 865, 82
• GCF of 662, 575, 81
• GCF of 707, 971, 22
• GCF of 944, 645, 66

1. What is the GCF of 642, 675, 19?

Answer: GCF of 642, 675, 19 is 1.

2. How to Find the GCF of 642, 675, 19

Answer: Greatest Common Factor(GCF) of 642, 675, 19 = 1

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

Step 2: Then multiply all the prime factors GCF(642, 675, 19) = 1.