There are infinitely many prime numbers.
Prove this by contradiction.
Suppose we have Q = p1p2p3.....pn + 1 where p's are primes. Either Q is prime or composite. Divide both sides by any of the prime integer. However, p doesn't divide 1. So Q is a Prime number. Thus, there are infinitely many prime numbers.
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To determine the number of prime numbers between 1 and 8888888888888888888888888888888888888888888888, we can use the Prime Number Theorem. This theorem states that the density of prime numbers around a large number n is approximately 1/ln(n). Therefore, the number of prime numbers between 1 and 8888888888888888888888888888888888888888888888 can be estimated by dividing ln(8888888888888888888888888888888888888888888888) by ln(2), which gives approximately 1.33 x 10^27 prime numbers.
168 of them.
The answer depends on how many prime numbers are whose!
Firstly, the LCM f a single number is the number itself.The LCM of many numbers is found by dividing the numbers with the smallest prime numbers until the numbers are completely divided and the remainder is zero.Then all the prime numbers used for dividing is multiplied and the LCM is found.