Greatest Common Factor of 21, 25, 152, 448

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

• Greatest Common Factor of 21, 25, 152, 448 by common division method
• Greatest Common Factor of 21, 25, 152, 448 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 25

List of positive integer factors of 25 that divides 25 without a remainder.

1,5,25

Factors of 152

List of positive integer factors of 152 that divides 152 without a remainder.

1,2,4,8,19,38,76,152

Factors of 448

List of positive integer factors of 448 that divides 448 without a remainder.

1,2,4,7,8,14,16,28,32,56,64,112,224,448

Greatest Common Factor

We found the factors 21,25,152,448 . The biggest common factor number is the GCF number.
So the greatest common factor 21,25,152,448 is 1.

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

• GCF of 54, 62, 986, 161
• GCF of 93, 79, 750, 687
• GCF of 45, 55, 791, 651
• GCF of 22, 43, 649, 255
• GCF of 36, 66, 846, 826

1. What is the GCF of 21, 25, 152, 448?

Answer: GCF of 21, 25, 152, 448 is 1.

2. How to Find the GCF of 21, 25, 152, 448

Answer: Greatest Common Factor(GCF) of 21, 25, 152, 448 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 25, 152, 448) = 1.