Greatest Common Factor of 30, 98, 19, 438

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

• Greatest Common Factor of 30, 98, 19, 438 by common division method
• Greatest Common Factor of 30, 98, 19, 438 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 98

List of positive integer factors of 98 that divides 98 without a remainder.

1,2,7,14,49,98

Factors of 19

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

1,19

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 30,98,19,438 . The biggest common factor number is the GCF number.
So the greatest common factor 30,98,19,438 is 1.

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

• GCF of 99, 47, 89, 259
• GCF of 86, 30, 43, 743
• GCF of 14, 97, 23, 876
• GCF of 29, 89, 14, 301
• GCF of 70, 68, 84, 862

1. What is the GCF of 30, 98, 19, 438?

Answer: GCF of 30, 98, 19, 438 is 1.

2. How to Find the GCF of 30, 98, 19, 438

Answer: Greatest Common Factor(GCF) of 30, 98, 19, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(30, 98, 19, 438) = 1.