Greatest Common Factor of 420, 490, 199

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

• Greatest Common Factor of 420, 490, 199 by common division method
• Greatest Common Factor of 420, 490, 199 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 490

List of positive integer factors of 490 that divides 490 without a remainder.

1,2,5,7,10,14,35,49,70,98,245,490

Factors of 199

List of positive integer factors of 199 that divides 199 without a remainder.

1,199

Greatest Common Factor

We found the factors 420,490,199 . The biggest common factor number is the GCF number.
So the greatest common factor 420,490,199 is 1.

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

• GCF of 235, 982, 443
• GCF of 405, 746, 600
• GCF of 359, 443, 312
• GCF of 694, 553, 149
• GCF of 111, 126, 123

1. What is the GCF of 420, 490, 199?

Answer: GCF of 420, 490, 199 is 1.

2. How to Find the GCF of 420, 490, 199

Answer: Greatest Common Factor(GCF) of 420, 490, 199 = 1

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

Step 2: Then multiply all the prime factors GCF(420, 490, 199) = 1.