Question

The hcf and lcm of two prime numbers,p and q are 1 and 91 respectively. Find the value of p+q

Answer 1

Answer:

20

Step-by-step explanation:

p=13

q=7

Because, 13×7=91 and both are prime numbers and also co-primes.

Answer 2

Answer:

20

Step-by-step explanation:

Prime numbers: 2, 3, 5, 7, 11, 13, 17, 19...and so on.

So, 91 ÷ 13 = 7; 91 ÷ 7 = 13

13 and 7 are prime numbers and their product is 91, so the answer will be -

13 + 7 = 20

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