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Find the least number which is exactly divided by 28,36,45 when we add 19 to it

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Your problem -> Find the least number which is exactly divided by 28,36,45 when we add 19 to it

"Required number" = ( "LCM of " 28,36,45 ) - 19 = 1260 - 19 = 1241.

 2 28 36 45 2 14 18 45 3 7 9 45 3 7 3 15 5 7 1 5 7 7 1 1 1 1 1

LCM of 28,36,45 = 2 × 2 × 3 × 3 × 5 × 7 = 1260

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