Greatest Common Factor of 13, 74, 21, 432

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

• Greatest Common Factor of 13, 74, 21, 432 by common division method
• Greatest Common Factor of 13, 74, 21, 432 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 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 74

List of positive integer factors of 74 that divides 74 without a remainder.

1,2,37,74

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 432

List of positive integer factors of 432 that divides 432 without a remainder.

1,2,3,4,6,8,9,12,16,18,24,27,36,48,54,72,108,144,216,432

Greatest Common Factor

We found the factors 13,74,21,432 . The biggest common factor number is the GCF number.
So the greatest common factor 13,74,21,432 is 1.

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

• GCF of 44, 55, 80, 700
• GCF of 56, 88, 78, 817
• GCF of 62, 44, 27, 788
• GCF of 47, 83, 27, 909
• GCF of 56, 61, 32, 693

1. What is the GCF of 13, 74, 21, 432?

Answer: GCF of 13, 74, 21, 432 is 1.

2. How to Find the GCF of 13, 74, 21, 432

Answer: Greatest Common Factor(GCF) of 13, 74, 21, 432 = 1

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

Step 2: Then multiply all the prime factors GCF(13, 74, 21, 432) = 1.