Find the square root of 1471369 by long division method?

Find the L.C.M of 72, 80 and 120 using the fundamental theorem of arithmetic.

Find the smallest natural no. by which 1200 should be multiplied so that the square root of the product is a rational number.

Let d be the H.C.F of 24 and 36. Find two numbers a and b such that d = 24 a + 36 b?

Given that L.C.M (26, 169) = 338, write H.C.F (26, 169).