47 is a Prime number
21 & 87 divisible by 3, and 4 is divisible by 2
47 is a prime number.
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67
There is an infinite number of prime numbers that are greater than 21. The next prime number after 21 is 23.
47 is a prime number because it has only two factors which are itself and one
Prime factorization refers to whole numbers, not decimals.
Itself and one because 47 is a prime number
Itself and one because 47 is a prime number
47 15 = 3 x 5 21 = 3 x 7 25 = 5 x 5
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.
987 is a composite number because it has factors other than 1 and itself. It is not a prime number.The 8 factors of 987 are 1, 3, 7, 21, 47, 141, 329, and 987.The factor pairs of 987 are 1 x 987, 3 x 329, 7 x 141, and 21 x 47.The proper factors of 987 are 1, 3, 7, 21, 47, 141, and 329 or,if the definition you are using excludes 1, they are 3, 7, 21, 47, 141, and 329.The prime factors of 987 are 3, 7, and 47.The distinct prime factors of 987 are also 3, 7, and 47, since there is no repetition of factors.The prime factorization of 987 is 3 x 7 x 47.
prime, because it can't be divided by anything but one and it's self
The two factors of 47 are 1 and 47. There are only two factors of a prime number.The only factor pair of 47 is 1 x 47. There is only one factor pair of a prime number.The proper factors of 47 are only 1 or, if the definition you are using excludes 1, there are none.The only prime factor of 47 is 47. There is only one prime factor of a prime number - itself.The only distinct prime factor (listing each prime factor only once) of 47 is also 47.The prime factorization of 47 is 47. In some cases, to emphasize that it is prime, you might write the prime factorization as 1 x 47.NOTE: There cannot be common factors, a greatest common factor, or a least common multiple because "common" refers to factors or multiples that two or more numbers have in common. 47 is a prime so its only factors are 1 and 47.47 is a prime number.