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No, neither 1 nor 2 are prime numbers. A Prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself. 1 only has one positive divisor (1) and 2 has two positive divisors (1 and 2), so they are not prime.
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Are 1 and 2 prime numbers?
2 is a prime number. 1 is not a prime number
What numbers are prime from 1 2 3 4 5 6?
1,2,3,5,7,11,13,17,19,23,29,31.... A prime number has exactly two factors. 2 is prime (its factors are 1 and 2) 3 is prime (its factors are 1 and 3) 5 is prime (its factors are 1 and 5) 1 is not prime (its only factor is 1, this is 1 factor, not 2) 4 is not prime (it has 3 factors: 1, 2, and 4) 6 is not prime (it has 4 factors: 1, 2, 3, and 6)
What is the prime numbers in 1 2 3 6?
A prime number has 2 factors; 1 and itself. 0 and 1 are neither prime nor composite, so the prime numbers are 2 and 3.
What is the prime number of number 2?
2 is itself a prime.
Is 1 a mersenne prime?
1 is not a Mersenne prime because 21 - 1 = 2 - 1 = 1 and 1 is not a prime number.
What are the factors and prime factors of -2?
1, 2, -1, -2 2 is prime.
What are the factors and prime factors of 2?
2 is a prime so its only factors are 1 and itself. The only prime factor of 2 is 2.The prime numbers of two are 1 and two.1*2=22*1=2
Which of the following are prime numbers 1 2 6 9?
1 and 2 are prime numbers.Another Answer:-It is only 2 that is a prime number because 1 is not considered to be a prime or composite number.
What are the prime factors for 2?
Its prime factors are 1 & 2.
Why is 2 the lowest prime number?
The primes are all positive number and 1 is not a prime. We look that the next number, 2 and not that the only divisors of 2 are 1 and 2 itself. That makes it prime and since 1 was not prime, by convention, 2 is the smallest prime.
Is 1 a mersenne prime?
1 is not a Mersenne prime because 21 - 1 = 2 - 1 = 1 and 1 is not a prime number.
-2 is a prime number or not?
yes, 2 is a prime number but 1 is not.
Is 1 the lowest prime number?
No; 1 is not a prime number. The lowest prime number is 2.
What are the factors and prime factors of 5 and 12?
1: 1 2: 1, 2 (2 is prime.) 3: 1, 3 (3 is prime.) 4: 1, 2, 4 (2 is prime.) 5: 1, 5 (5 is prime.) 6: 1, 2, 3, 6 (2 and 3 are prime.) 7: 1, 7 (7 is prime.) 8: 1, 2, 4, 8 (2 is prime.) 9: 1, 3, 9 (3 is prime.) 10: 1, 2, 5, 10 (2 and 5 are prime.)
What are the factors and prime factors of 8 and 52?
1, 2, 4, 8 2 is prime. 1, 2, 4, 13, 26, 52 2 and 13 are prime.
What are the prime factors of six?
The prime factors of 2 are: Well, 2 has no prime factors because 2 is a prime number The prime factors of 6 are: 1, 2, 3, & 6
What two numbers are prime or not prime 1...2...13...22?
The truth is, 2 and 13 are prime, 22 is composite, and 1 is neither.
