Powers of 2
2,4,8,16,32 and so on.
1024, 2048, 4096 and 8192
1229
Not a lot. They're both prime numbers. A factor that is prime is used to make other numbers.
There are 1229 prime numbers that are less than 10000.
The numbers 10007, 10009, 10037 and 10039 are prime.
Prime numbers are infinite.
127 prime numbers in that range. See related link for prime numbers up to 10000. Plus there is a link to download Zip files of prime numbers up to 1 million.
41, 43 and 47 are the prime numbers between 40 and 50. Any nonzero number can be a factor.
All numbers have factors. Some factors are prime numbers. A prime factor is a factor that is a prime number. A common prime factor is a prime factor that appears on the list of factors of two or more given numbers.
Prime numbers go on forever.
All numbers have factors. Some factors are prime numbers, some are not.
The first two prime numbers after 10000 are 10007 and 10009.