Greatest Common Factor of 19, 63, 72, 870

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

• Greatest Common Factor of 19, 63, 72, 870 by common division method
• Greatest Common Factor of 19, 63, 72, 870 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 19

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

1,19

Factors of 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 870

List of positive integer factors of 870 that divides 870 without a remainder.

1,2,3,5,6,10,15,29,30,58,87,145,174,290,435,870

Greatest Common Factor

We found the factors 19,63,72,870 . The biggest common factor number is the GCF number.
So the greatest common factor 19,63,72,870 is 1.

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

• GCF of 21, 15, 96, 280
• GCF of 14, 75, 46, 247
• GCF of 43, 70, 61, 993
• GCF of 16, 85, 34, 210
• GCF of 15, 23, 17, 697

1. What is the GCF of 19, 63, 72, 870?

Answer: GCF of 19, 63, 72, 870 is 1.

2. How to Find the GCF of 19, 63, 72, 870

Answer: Greatest Common Factor(GCF) of 19, 63, 72, 870 = 1

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

Step 2: Then multiply all the prime factors GCF(19, 63, 72, 870) = 1.