If the number of days is too high, what should be done to determine the answer? Divide the number of days obtained by the least common multiple by...

If the number of days is too high, what should be done to determine the answer?

Divide the number of days obtained by the least common multiple by 7.
Use only the remainder to determine the answer.
a) Only the first statement is correct.
b) Only the second statement is correct.
c) Both statements are correct.