LCM of two numbers 765 HCF 17 find the number
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let 17x = one of a pair of numbers
let 17y = the other number
:
17x * 17y = 765
289xy = 765
simplify, divide by 17
xy = 45
Factor pairs of 45: 5*9; 3*15
therefore the numbers
5*17 = 85
9*17 = 153
and
3*17 = 51
15*17 = 255
let 17y = the other number
:
17x * 17y = 765
289xy = 765
simplify, divide by 17
xy = 45
Factor pairs of 45: 5*9; 3*15
therefore the numbers
5*17 = 85
9*17 = 153
and
3*17 = 51
15*17 = 255
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