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What is prime number plus prime number?
It is may be prime only if one term is 2. for example: 3+2=5But one term may be 2 and the result composite: 7+2=9=3*3
What prime number squared plus 3 gives an odd number?
22 + 3 = 7 Since 2 is the only even prime number, this is the only number for which this holds true.
What number's cube root is 1 more then the smallest prime?
The number 27 has a cube root of 3, which is 2 (the smallest prime) plus 1.
Student conjecture that if x is a prime number then x plus 1 is not prime. Which of the following answer is a counterexample?
x = 2 : 2 and 3 are both primes.
Is 648 a prime number or a composite number?
648 is not prime. 648 = 2 * 2 * 2 * 3 * 3 * 3 * 3
Is 216 a prime number or a composite number?
216 is not prime. 216 = 2 * 2 * 2 * 3 * 3 * 3
What is the counterexample of the sum of 2 different prime numbers is even?
2 + 3 = 5 Two plus any odd prime number is odd.
To what prime number can you add 3 and get a sum that is a prime number?
2. 2 + 3 = 5 Or if you mean like add 3 to the prime number, then add that to the prime? 2 still works!! 2: 2 + 3 = 5. 5 + 2 = 7
Is 144 a prime number or a composite number?
144 is not prime. 144 = 2 * 2 * 2 * 2 * 3 * 3
2 times 3 times 5 plus 1 is what prime number?
2 x 3 x 5 + 1 = 31
Is 3 the lowest prime number?
No. The lowest prime number is 2.
Are 2 and 3 a prime factor of 24?
Yes 2 and 3 are prime factors of 24 because; 2 is a prime number and fits in to 24 3 is a prime number and fits into 24
