47 is a Prime number
21 & 87 divisible by 3, and 4 is divisible by 2
47 is a prime number.
47 is a prime number because it has only two factors which are itself and one
There is an infinite number of prime numbers that are greater than 21. The next prime number after 21 is 23.
Itself and one because 47 is a prime number
Itself and one because 47 is a prime number
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67
Prime factorization refers to whole numbers, not decimals.
47 is prime. A number that is prime has only whole factors one and itself. 47 can not be divided evenly without a remainder or decimal.
47 15 = 3 x 5 21 = 3 x 7 25 = 5 x 5
prime, because it can't be divided by anything but one and it's self
47 is a prime number because it has only 2 factors which are itself and one
It is a prime.