Asked by dhruv

the product of 4 prime numbers is 2145. the product of two of them is 65. the sum of the other two must be:

A 16 B 8 C 24 D 14

give me direct answe A B C or D
Answered by Bosnian
a*b*c*d=2145

a*b=65

a*b*c*d=2145

65*c*d=2145

c*d=2145/65=33

c*d=33

Only two prime numbers with that product is

3 and 11

3*11=33


3+11=14


Answer D
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