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What is the smallest positive multiple of 13 for which the sum of its digits is prime?
Start with the smallest multiple of 13 and continue with the next smallest until finding one that fits the specifications.
13, sum of digits is 1 + 3 = 4 which is not prime
26, sum of digits is 2 + 6 = 8 which is not prime
39, sum of digits is 3 + 9 = 12 which is not prime
52, sum of digits is 5 + 2 = 7 which is prime
So, 52 is the smallest positive multiple of 13 for which the sum of its digits is prime.
What else can I help you with?
What is the largest and smallest of two-digit prime numbers whose digits are also prime digits themseleves?
Smallest is 11 & Largest is 77.
What is the smallest two-digits prime number whose digits are also prime themselves?
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 is the smallest five digits prime number?
It is: 10007
What is a prime number that has digits that add to the smallest prime number?
It is: 11 because 1+1 = 2 which is the smallest prime number
What is the largest and smallest of two-digit prime numbers whose digits are also prime digits themseleves?
Smallest is 11 & Largest is 77.
What is the smallest two-digits prime number whose digits are also prime themselves?
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 is the smallest five digits prime number?
It is: 10007
What is a prime number that has digits that add to the smallest prime number?
It is: 11 because 1+1 = 2 which is the smallest prime number
What is the prime number that its digits adds up to the smallest prime number?
The smallest prime number, of course, is 2. The smallest prime number whose digits add up to 2 is, of course, 2. The next-smallest is 11. It is left as an exercise for the reader to determine whether the other numbers whose digits add up to 2 (e.g. 101, 1001, 10001) are prime.
What is the smallest positive prime number of 12?
2 is the smallest prime factor of 12.
What is the smallest 3 digits odd prime numbers?
101
What is the smallest two digit prime number whose digits themselves are prime?
The smallest two-digit prime number whose digits themselves are prime is 23. Both 2 and 3 are prime numbers, and together they form the prime number 23.
What is the smallest digits prime number?
It is 2 which also is the only even prime number
I am Smallest prime number whose digits add to 8 what am i?
17
What is the smallest sum of nine nonzero digits prime number?
11
