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A multiple of 13 will be a composite number. Because the number will have 13 as a factor, it cannot be a Prime number.
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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.
Is 5629 prime?
5629 is a multiple of 13.
Is 871 a primary number?
The word is "prime number". 871 is a multiple of 13.
What is the least common denominator of 13 and 39?
13 is a prime number and 39 is a multiple of 13. 39 is the LCD of 13 and 39.
What is a multiple of 7 that is a prime number?
There is not a multiple of 7 that is prime.
