Question

Tell a numberthat has four factors and the sum of the factorother than the number itself is 31. Answer it please.​

Answer 1

Answer:

161, 209 , 221

Step-by-step explanation:

let factors are 1, a ,b and number itself

=> 1+a+b= 31 given

=> a+b= 30

=> sum of two prime numbers= =30

=> these are 11 and 19

=> therefore number= 11×19= 209

another answer:-

30= 13+17 => number= 13×17= 221

30= 23+7=> number= 23×7= 161

answer= 161, 209, 221