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What do 3 5 7 11 and 13 have in common?
They are all odd, and they are all prime numbers
What is a counterexample of all odd numbers are prime?
9 = 3*3 and so it is not a prime.
Are all numbers ending in 1 prime?
No 21 isn't (= 3 x 7) 51 isn't (= 3 x 17) 81 isn't ( = 9 x 9)
Can a whole number ending in 8 be a prime number why?
No, 8 is an even number. ALL prime numbers are odd numbers (excluding 2), that does not mean, however, that all odd numbers are prime numbers. Prime numbers do not have any divisors, even numbers do. Let's say the this number is 18. We know 1 and 18 are one set of divisors. But there are more: 2 and 9, and 3 and 6, thus concluding it is not a prime number. Short list of prime numbers: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53... and by now you should have noticed the pattern--all numbers that end in 1, 3, 7, 9 are prime.
What are all the prime numbers from 1-5?
The prime numbers from 1 - 5 are 2, 3, and 5.
All the 2 digit numbers ending with 3 that are prime numbers?
13, 23, 43, 53, 73, 83
What prime numbers remain prime numbers when their tens are changed?
All prime numbers ending in 1, 3, 7 or 9. For example, 31 and 71 23 and 43 17 and 47 19 and 79.
What are the first three prime numbers ending with 3?
3,13,23
What are all the two digit prime numbers ending in 3?
13, 23, 43, 53, 73, 83
What numbers have 3 5 and 7 as prime numbers?
Themselves because they are all prime numbers.
What are all the prime numbers of 6?
All the prime numbers of six are 2 and 3.
What are all the prime numbers from 1-3?
The prime numbers from 1 to 3 are 2 and 3.
What do 3 5 7 11 and 13 have in common?
They are all odd, and they are all prime numbers
What 2-didgit whole numbers ending in 3 are prime numbers?
3, 13, 23, 43, 53, 73, 83
What are all the pairs of prime numbers that are consecutive numbers?
The numbers 2 and 3 are consecutive prime numbers. Are there other pairs of prime numbers which are consecutive numbers?
How do you find the lcm of three numbers when all of them are prime?
When all of them are prime numbers,then just multiply the numbers to get the LCM of those 3 numbers.
All the numbers that are produced by 3 prime numbers?
No. For example, 9 wouldn't be prime because it is divisible by 3.
