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It would probably refer to a digit that is a Prime number, or a composite number. Note that mathematicians normally talk about prime and composite NUMBERS, not individual digits.
What else can I help you with?
Is 518 a composite number or a prime number?
It is composite, as are all whole numbers whose last digits are even.
A composite number that can be divided by 3 that isn't prime that is three digits?
102
Is 987654321 a prime number?
Nope it's Composite because the sum of digits is divisible by 3.
Does reversing the order of the digits of a 2 digit prime number always result in a prime number?
No because as for example 23 is a prime number but 32 is a composite number
Are 21 36 31 87 62 23 29 45 and 51 composite or prime?
23, 29 and 31 are prime. The rest are composite.
Is 518 a composite number or a prime number?
It is composite, as are all whole numbers whose last digits are even.
A composite number that can be divided by 3 that isn't prime that is three digits?
102
Is 267 prime or composite?
267 is a composite number - since the digits of the number add up to a multiple of three, it is divisible by 3. Its prime factorization is 3 x 89 = 267.
What is a number that has one prime number in it the digits add up to 19 it is a palindrome and the composite digits each have 4 factors?
838
Is 987654321 a prime number?
Nope it's Composite because the sum of digits is divisible by 3.
What is a staircase composite?
A number is called a staircase composite number when it has three prime factors that have different sized digits: the first is one digit, the second is two digits and the third is three digits. For example: [7] [41] [271] x 77 777 77 777 would be the staircase composite number.
Does reversing the order of the digits of a 2 digit prime number always result in a prime number?
No because as for example 23 is a prime number but 32 is a composite number
Is 651 prime or composite?
Composite: 651 has 3 as one of its factors (add the digits 6+5+1=12, which is a multiple of 3).Since it has a factor (3) in addition to itself and 1, it is composite.
What is the least number of 1 digits of composite?
The least 1 digit number that is composite is 4. It is because all numbers before that are prime.
Is 891 a prime number or a composite number?
891 is a composite number. Its factors are 1, 3, 9, 11, 27, 33, 81, 99, 297, and 891. An easy check for some numbers greater than 3 is by adding their digits. If the sum of the digits is 3 or a multiple of 3, the number is a composite. The digits of 891 add up to 18, which is a multiple of 3.
Is one composite or prime both prime and composite or neither prime or composite?
neither prime or composite
Is 17 prime or composite number?
It is prime
