No, it is divisible by 7 and 9 along with 1, and 63 which don't count.
Chat with our AI personalities
No, 63 is not prime.
47 is a prime number - but 63 is not a prime number.
Yes, 143 and 63 are relatively prime because they have no prime factors in common.
63 is not a prime number.
No, as 63 = 7 x 9 and then is not a prime number