Greatest Common Factor of 21, 38, 624, 751

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

• Greatest Common Factor of 21, 38, 624, 751 by common division method
• Greatest Common Factor of 21, 38, 624, 751 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 21

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

1,3,7,21

Factors of 38

List of positive integer factors of 38 that divides 38 without a remainder.

1,2,19,38

Factors of 624

List of positive integer factors of 624 that divides 624 without a remainder.

1,2,3,4,6,8,12,13,16,24,26,39,48,52,78,104,156,208,312,624

Factors of 751

List of positive integer factors of 751 that divides 751 without a remainder.

1,751

Greatest Common Factor

We found the factors 21,38,624,751 . The biggest common factor number is the GCF number.
So the greatest common factor 21,38,624,751 is 1.

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

• GCF of 64, 57, 104, 257
• GCF of 62, 36, 575, 815
• GCF of 74, 96, 781, 103
• GCF of 46, 62, 942, 237
• GCF of 44, 63, 978, 558

1. What is the GCF of 21, 38, 624, 751?

Answer: GCF of 21, 38, 624, 751 is 1.

2. How to Find the GCF of 21, 38, 624, 751

Answer: Greatest Common Factor(GCF) of 21, 38, 624, 751 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 38, 624, 751) = 1.