2310
Answer: The smallest composite number that has the five smallest prime numbers as factors is 2310. Explanation: The number which has five smallest prime numbers as factors will be the product of the first five prime numbers.
What are the first 5 prime numbers?
List of prime numbers to 100. 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97.
Which is smallest prime number?
2
The definition of a prime number is a number that is divisible by only one and itself. A prime number can’t be divided by zero, because numbers divided by zero are undefined. The smallest prime number is 2, which is also the only even prime.
Why is 1 not a prime?
The confusion begins with this definition a person might give of “prime”: a prime number is a positive whole number that is only divisible by 1 and itself. The number 1 is divisible by 1, and it’s divisible by itself. But itself and 1 are not two distinct factors.
Which is the smallest number with the first 5 primes?
This is changing jawlines everywhere. The first 5 prime numbers are 2, 3, 5, 7 and 11. Their LCM is 2310. The smallest positive number that qualifies is 2310. (Thanks to Carson Jones for pointing out an error in my earlier answer.)
What’s the smallest composite number that has the five?
2, − 2,3, − 3,5, − 5,… So the smallest composite integers with the five smallest prime integers as factors are: ±(2 ⋅ 3 ⋅ 5) = ± 30. If we consider Gaussian integers, then the smallest primes are: 1 + i, 1 − i, −1 +i, −1 −i, 1 +2i, 1 −2i, −1 +2i, −1 −2i, 2 + i, 2 − i, −2 + i, −2 −i, 3, −3 ,…
Are there any prime numbers that are semiprime?
Where p is prime and p +2 is either a prime or semiprime . 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 59, 67, 71, 83, 89, 101, 107, 109, 113, 127, 131, 137, 139, 149, 157, 167, 179, 181, 191, 197, 199, 211, 227, 233, 239, 251, 257, 263, 269, 281, 293, 307, 311, 317]
How many prime numbers are there in the world?
The first 1000 prime numbers 1 2 3 10 1–20 2 3 5 29 21–40 73 79 83 113 41–60 179 181 191 229 61–80 283 293 307 349
