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5 and 2 are the only prime numbers that end in a 5 or 2. A prime number is by definition only divisible by 1 and itself, and all other whole numbers ending in 5 or 2 are divisible by 5 or 2, respectively. Numbers that are not whole numbers cannot be prime.
Wiki User
∙ 2014-10-14 16:37:51
Wiki User
∙ 2012-05-07 13:20:592 and 5 are the only prime numbers that end in 2 or 5.
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Why are 5 and 2 the only prime numbers that end in a 5 or a 2?
All numbers larger than 5 which end in 5 are divisible by 5 and so are not prime. All numbers larger than 2 which end in 2 are divisible by 2 and so are not prime.
What prime numbers end a 2 OR 5?
Just 2 and 5
What number's cant a prime number end in why?
Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.
What are the prime numbers if 100?
The prime numbers of 100 are: 2, 2, 5 and 5
Are the numbers 2 3 5 9 prime numbers?
2, 3, 5 are prime numbers but 9 is not a prime number
Why are 5 and 2 the only prime numbers that end in a 5 or a 2?
All numbers larger than 5 which end in 5 are divisible by 5 and so are not prime. All numbers larger than 2 which end in 2 are divisible by 2 and so are not prime.
2 prime numbers are the only prime numbers that end with 2 and 5?
Two and five!
What are the only prime numbers that end in 2 and 5?
2 and 5
What prime numbers end a 2 OR 5?
Just 2 and 5
What number's cant a prime number end in why?
Other than 2, no prime numbers are even. So prime numbers can't end in even numbers. After 5, no prime number can end in 5. After 5, all prime numbers end in 1, 3, 7 or 9.
Which are the only prime numbers that end with 2 or 5?
2 and 5 are the only prime numbers that ends with 2 or 5.
What is the only prime numbers that end with 2 and 5?
There are two: 2 and 5.
What are the prime numbers if 100?
The prime numbers of 100 are: 2, 2, 5 and 5
Are the numbers 2 3 5 9 prime numbers?
2, 3, 5 are prime numbers but 9 is not a prime number
Is 45 prime or composye?
All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.All numbers that end with 5 are divisible by 5.
How many prime numbers are there that end with 2 or 5?
2 and 5 are the only ones, so one each.
What 2 prime numbers equal 120 by multiplying?
120 = 2*2*2*3*5, so there is 5 prime numbers, no 2 prime numbers
