Greatest Common Factor of 420, 921, 988, 648, 446

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

• Greatest Common Factor of 420, 921, 988, 648, 446 by common division method
• Greatest Common Factor of 420, 921, 988, 648, 446 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 420

List of positive integer factors of 420 that divides 420 without a remainder.

1,2,3,4,5,6,7,10,12,14,15,20,21,28,30,35,42,60,70,84,105,140,210,420

Factors of 921

List of positive integer factors of 921 that divides 921 without a remainder.

1,3,307,921

Factors of 988

List of positive integer factors of 988 that divides 988 without a remainder.

1,2,4,13,19,26,38,52,76,247,494,988

Factors of 648

List of positive integer factors of 648 that divides 648 without a remainder.

1,2,3,4,6,8,9,12,18,24,27,36,54,72,81,108,162,216,324,648

Factors of 446

List of positive integer factors of 446 that divides 446 without a remainder.

1,2,223,446

Greatest Common Factor

We found the factors 420,921,988,648,446 . The biggest common factor number is the GCF number.
So the greatest common factor 420,921,988,648,446 is 1.

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

• GCF of 238, 640, 460, 756, 857
• GCF of 778, 841, 190, 340, 302
• GCF of 240, 838, 639, 937, 386
• GCF of 831, 522, 952, 267, 297
• GCF of 250, 256, 964, 793, 495

1. What is the GCF of 420, 921, 988, 648, 446?

Answer: GCF of 420, 921, 988, 648, 446 is 1.

2. How to Find the GCF of 420, 921, 988, 648, 446

Answer: Greatest Common Factor(GCF) of 420, 921, 988, 648, 446 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 921, 988, 648, 446) = 1.