Question

Find the HCF by vertical 440 and 580​

Answer 1

Answer:

440 = 2×2×2×5×11

580 = 2×2×5×29

Answer 2

Step-by-step explanation:

Step 1. Divide the larger number by the smaller one:

580 ÷ 440 = 1 + 140;

Step 2. Divide the smaller number by the above operation's remainder:

440 ÷ 140 = 3 + 20;

Step 3. Divide the remainder from the step 1 by the remainder from the step 2:

140 ÷ 20 = 7 + 0;

At this step, the remainder is zero, so we stop:

20 is the number we were looking for, the last remainder that is not zero.

This is the greatest common factor (divisor).

Greatest (highest) common factor (divisor):

gcf, hcf, gcd (580; 440) = 20

gcf, hcf, gcd (580; 440) = 20 = 22 × 5;

gcf, hcf, gcd (580; 440) = 22 × 5 = 20;

The numbers have common prime factors.

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