2 and 7 is the only such pair.
There are an infinite number of pairs of prime two apart, classified as "twin primes". For lists, see the link.
No. It doesn't matter what factors you choose at the beginning, but all the factors should be prime at the end.
No, all prime numbers are deficient.
Except for 2 all other prime numbers are odd. Otherwise, they would be divisible by 2 (and thus not a prime number). This does NOT mean that all odd numbers are prime, but that all prime numbers (aside from 2) are odd.
All prime numbers are odd except one prime number and that is 2.
They are itself and 1 because 83 is a prime number
1 x 101 (101 is a prime number.)
Only itself and one because 61 is a prime number
There are an infinite number of pairs of prime two apart, classified as "twin primes". For lists, see the link.
11 is prime, so only 11 and 1
1 x 2, 2 x 1 (two is a prime number)
The numbers 2 and 3 are consecutive prime numbers. Are there other pairs of prime numbers which are consecutive numbers?
It's a prime number so it only has one factor pair, 1•83
No, you should continue checking for factor pairs even if you find a pair that repeats. A repeating pair indicates that the number is not a prime number, but there may be other factor pairs that have not been identified yet. It is important to exhaust all possible factor pairs to ensure that all factors of the number are identified accurately.
Separate the number into prime factors. Then it should be easy to get ALL the factors, simply by combining different prime factors.
25 is a composite number, not a prime. Twin primes are pairs of prime numbers that differ from each other by two. Examples of all twin primes less than 100 are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73).
27 is a composite number, not a prime. Twin primes are pairs of prime numbers that differ from each other by two. Examples of all twin primes less than 100 are (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), and (71, 73).