Greatest Common Factor of 400, 390, 497, 540

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

• Greatest Common Factor of 400, 390, 497, 540 by common division method
• Greatest Common Factor of 400, 390, 497, 540 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 400

List of positive integer factors of 400 that divides 400 without a remainder.

1,2,4,5,8,10,16,20,25,40,50,80,100,200,400

Factors of 390

List of positive integer factors of 390 that divides 390 without a remainder.

1,2,3,5,6,10,13,15,26,30,39,65,78,130,195,390

Factors of 497

List of positive integer factors of 497 that divides 497 without a remainder.

1,7,71,497

Factors of 540

List of positive integer factors of 540 that divides 540 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,27,30,36,45,54,60,90,108,135,180,270,540

Greatest Common Factor

We found the factors 400,390,497,540 . The biggest common factor number is the GCF number.
So the greatest common factor 400,390,497,540 is 1.

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

• GCF of 990, 293, 606, 838
• GCF of 827, 752, 548, 660
• GCF of 471, 914, 232, 972
• GCF of 243, 886, 305, 385
• GCF of 452, 103, 384, 628

1. What is the GCF of 400, 390, 497, 540?

Answer: GCF of 400, 390, 497, 540 is 1.

2. How to Find the GCF of 400, 390, 497, 540

Answer: Greatest Common Factor(GCF) of 400, 390, 497, 540 = 1

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

Step 2: Then multiply all the prime factors GCF(400, 390, 497, 540) = 1.