use elucid division method to find hcf of 225 and 15625
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We have to find the H.C.F. of 625, 3125 and 15625.
First we find the HCF of 625 and 3125.
By applying Euclid’s division lemma,a = bq+r
Let a = 3125 and b = 625
3125 = 625 x 5 + 0.
Here remainder is zero , and the last divisor is 625.
So H.C.F. of 625 and 3125 is 625.
Now,we find the HCF of 625 and 15625.
By applying Euclid’s division lemma,a = bq+r
Let a = 15626 and b = 625
15625 = 625 x 25 + 0
Here remainder is zero , and the last divisor is 625.
So H.C.F. of 625 and 3125 is 625.
Therefore,H.C.F. of 625, 3125 and 15625 is 625
Hence, the required greatest number is 625.
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