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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.
A prime number greater then 20 the sum of the digits is 4?
31.
You are a prime number you have two digits The sum of your digits are 8 what number are you?
There are actually three valid answers: 17, 53, and 71 All are prime and all have digits adding to 8.
What is the largest three digit number with the property that the sum of its digits is a prime number?
995
What is the first two digit prime number for which the product of its digits is equal to the sum of its digits plus seven?
29 2 * 9 = 18 2 + 9 = 11 18 - 11 = 7
You are a product of 4 prime numbers your three digits are all prime and different The sum of your prime factors is 30 What number are you?
532
What four 3-digit prime numbers less than 200 each have a prime number for the sum of their digits AND a prime number for the product of their digits?
The four numbers are: 113, 131, 151 and 191. For the product of the digits to be prime, the number must contain 2 ones - which greatly simplifies the exercise.
A prime number times another prime number is?
If you multiply two prime numbers, the product (result) will be a composite number, not a prime number. A prime number has exactly two factors, 1 and itself. The product of two prime numbers will have those two numbers as factors, as well. The sum of two prime numbers might be prime if one of those two numbers is 2, the only even prime number, but otherwise it will not be a prime because two odd numbers will have an even sum, which means it is divisible by 2. Examples: 2 + 3 = 5 (prime) 3 + 7 = 10 (not prime) 13 + 17 = 30 (not prime) If you multiply two prime numbers, the sum of the digits of the product might or might not be prime. Examples: 2 x 7 = 14, sum of digits is 5 (prime) 2 x 11 = 22, sum of digits is 4 (not prime) 3 x 5 = 15, sum of digits is 6 (not prime) 3 x 7 = 21, sum of digits is 3 (prime) 5 x 7 = 35, sum of digits is 8 (prime)
What is a prime number that has two digits and the sum of the digits is 14?
13
The sum of your digits is 16 The product of your digits is 64 What number are you?
88
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 )
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 a number that is prime has 2 digits and the sum of the two digits is 14?
It is: 59
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.
Below 40 a prime number the sum of its digits is 11?
what number is prime to 40 29 - it's a prime number (divisible only by 1 and itself) and if you sum the two digits 2 + 9 = 11
What is a 2-digit number and a prime number and the sum of its digits is 13?
67
What is the smallest prime number whose sum of its digits forms a number that is a perfect cube?
I think it will be 17. The sum of digits is 8, which is the cube of 2.
