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What number is prime is less than 19 and the sum of digits is greater than 7?
'17' is a prime number. The sum of the digits is 1 + 7 = 8 > 7.
What are all the multiples of 91?
the multiples of 91 are 1,7,13 and 91. ps. 91 not a prime number its a conditional
What are the multiples of 72 that are prime?
There are no multiples of 72 that are prime.
What is divisible by 89?
By one and itself, it is a prime number.
Multiples of three?
multiples of 3 are 3,6,9,12,15,18,21,24,etc since 3 is a prime number only 1 goes into it
What is a prime number with identical digits?
A prime number with identical digits is 11.
Are all multiples of a prime number are prime numbers?
No, multiples of prime numbers are composite.
What two-digit prime number has the sum of its digits that is not 7 but is a multiple of 7?
No two digit prime number exists that is a multiple of 7. All two digit numbers that are multiples of 7 are compositenumbers.
A prime number with two identical digits?
The number 11 is prime and has two identical digits.
Which two multiples of 13 are co-prime number?
No multiples of the same number greater than one can be co-prime, since they will both have that number as a factor.
Does reversing the order of the digits of a two digit prime number always result in a prime number?
No, reversing the order of the digits of a two-digit prime number does not always result in a prime number.
What is the greatest 2 digit prime number that each of the 2 digits are prime and the 2 digits sum is prime as well?
The number is 23.
What is the lowest prime number that has all of the numbers prime?
The smallest prime number in which all of the digits are also prime is 2.The smallest multi-digit prime number in which all of the digits are also prime is 23.
What are prime digits and composite digits?
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 number is a multiple of 10 and also a prime number?
No multiples of 10 are prime.
What is the largest two-digit number that is prime and has prime numbers for both of its digits?
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
What is the next year in which all its digits add up to a prime number?
2014 ( The sum of the digits = 7, a prime number )
