Question

Find HCF of 140, 210 and 350.​

Answer 1

The Highest common factor (HCF) of 140, 210, 350 is 70.

Explanation for the answer:

• Step 1: As 210 > 140, we apply the division lemma to 210 and 140, to get
• 210 = 140 x 1 + 70
• Step 2: As the reminder 140 ≠ 0, we apply division lemma to 70 and 140, to get
• 140 = 70 x 2 + 0
• The remainder now becomes zero, so our procedure stops.
• Thus, the divisor at this stage is 70, the HCF of 140 and 210 is 70.

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Answer 2

Answer:

HCF of 140,210 and 350 is 70.

Step-by-step explanation:

Given numbers 140, 210, 350

To Find : HCF of Given Numbers

Solution :

The factors of 140 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140

The factors of 210 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210

The factors of 350 are: 1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350

Hence we can see clearly that the highest common factor is 70 .

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