Error in finding lcm and gcd in python.

Question

1.00/5 (2 votes)

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I got different output. and I should take input of two numbers in a single variable that's why the taken split() function

eg:-
b = 12 24

What I have tried:

a = int(input())
for i in range(a):
    b = input().split()
    c = b[0]
    d = b[1]
    n1, n2 = c, d
    while c > 0:
        r = c%d 
        d = c
        c = r
gcd = d
lcm = (n1*n2)//gcd
print(gcd)
print(lcm)

Posted 22-Jan-22 20:13pm

shri harshan

Updated 22-Jan-22 23:42pm

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Richard MacCutchan · Answer 1 · 2022-01-22T21:20:00

Solution 1

Having split the string, you need to convert the two numbers to integers:

Python

c = int(b[0])
d = int(b[1])

Posted 22-Jan-22 21:20pm

Richard MacCutchan

Comments

CPallini 23-Jan-22 5:42am

5.

CPallini · Answer 2 · 2022-01-22T23:42:00

Solution 2

Elaborating Richard's solution...

Python

a = input().split()
n1 = int(a[0])
n2 = int(a[1])
c = n1
d = n2
while c != 0:
  r = c
  c = d % c
  d = r
gcd = d
lcm = (n1*n2)//gcd
print(gcd)
print(lcm)

Posted 22-Jan-22 23:42pm

CPallini

Comments

Richard MacCutchan 23-Jan-22 6:33am

And 5 for a complete answer.

CPallini 23-Jan-22 9:51am

Thank you.