Question

Find HCF of 285, 3210, 1750​

Answer 1

285/ 3210/1750

5 57/ 642/ 350

ans is 5

Answer 2

HCF(285, 3210, 1750) = 5

Given:

285, 3210, 1750​

To find:

HCF of 285, 3210, 1750​

Solution:

HCF

• The full form of HCF is Highest Common Factor
• HCF is the highest number which divides each of the given two or more numbers.

• HCF is also called the Greatest Common Divisor or GCD

To find HCF of 285, 3210, 1750​ write each number as product of its prime numbers

285 = 3 × 5 × 19

3210 = 2, 3, 5, 107

1750​ = 2 × 5 × 5 × 5 × 7

Now list out the factors that are common in each list

Common factor = 5

Therefore,

HCF(285, 3210, 1750) = 5

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