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Q: What is the hcf of 308 and 420?

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The GCF is 28.

HCF(210, 308) = 14.

It is: 3

It is: 42

You need at least two numbers to find an HCF.

The HCF of the given two numbers is 28

4620

42

The GCF is 70.

The GCF is 84.

The GCF is 70.

The GCF is 44.

The highest common factor of the numbers 112 and 420 is 28.

The GCF is 42.

The GCF is 14.

The GCF is 60.

The GCF is 28.

The GCF is 28.

divisors of 10 are 1,2,5 and 10, so highest number that can be divide 10 is 10,10 is also a factor of 420 Hence 10 is the highest common factor of 10 and 420. least multiplier of 420 is 420, also 420 is multiplier of 10 hence LCM is 420

2 is the greatest common factor of 210 and 308.

The LCM of the given two numbers is 4620

hcf = 4 and lcm = 420

The factors of 308 are: 1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308 The factors of 420 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420 The common factors are: 1, 2, 4, 7, 14, 28 The Greatest Common Factor: GCF = 28

1. Multiples of 28 are 28, 56, 84, 112, 140, 168, 196, 224, 252, 280, 308, 336, 364, 392, 420, 448, ... 2. Multiples of 60 are 60, 120, 180, 240,300, 360, 420, 480, 540,... In both of this, 420 is the least common factor . So, LCM is 420.

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