Question

Which of the following numbers are co-prime?
(a) 18 and 35 (b) 15 and 37 (c) 30 and 415
(d) 17 and 68 (e) 216 and 215 (f) 81 and 16
A number is divisible by both 5 and 12. By which other number will that number be
always divisible?
A number is divisible by 12. By what other numbers will that number be divisible?
​

Answer 1

Answer:

a)18 and 35

b)15 and 37

e)216 and 215

f)81and 16 are having only 1 is common factor

above options are Co-Prime

Step-by-step explanation:

• A number is divisible by both 5 and 12 the Product of 5×12=60 and the multiples of 60,120,180,.....will also divisible by the two
• A number is divisible by 12 and it also divisible by 3 and 4