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What five digits are in the ones place of odd numbers?
1,3,5,7,9
What digits are in the ones place of count-by-five numbers?
Fives and zeros
Are numbers that have 2 in the ones place composite numbers?
Yes except for 2 on its own which is the only even prime number
Why number with a 5 in the ones place are not prime numbers?
Except for 5, all of them have more than two factors.
What is prime numbers greater than 10 has a digit in the ones place?
How about: 11, 13, 17, 19 .... etc
What five digits are in the ones place of odd numbers?
1,3,5,7,9
What digits are in the ones place of count-by-five numbers?
Fives and zeros
What is the ones place value of the product of the first 51 prime numbers?
It is 0. Two of the first 51 prime numbers are 2 and 5, whose product is 10. When you multiply 10 by any other whole numbers, the final digit (in the ones place value) will be 0.
Are numbers that have 2 in the ones place composite numbers?
Yes except for 2 on its own which is the only even prime number
Does a prime number have in the ones place 1 3 7 9?
The prime numbers are 3 and 7 but 1 is not considered to be a prime or a composite number
Can a whole number with zero in the ones place be prime?
No, all numbers with a zero in the one's place are divisible by at least 1, themselves, and 2, which means they cannot be prime.
Why number with a 5 in the ones place are not prime numbers?
Except for 5, all of them have more than two factors.
What is prime numbers greater than 10 has a digit in the ones place?
How about: 11, 13, 17, 19 .... etc
Other than5 are there any prime numbers with 5 in the ones place?
No, any number with a 5 in one's place would be divisible by 5.
How can you tell 32 and 95 are not prime numbers without finding their factors?
32 is an even number (look at the ones place). The only even prime is 2. 95 has 5 as a factor (again look at the ones place). Multiples of 5 have a 0 or 5 in the ones place.That is how you figer out if 32 and 95 in not a prime number.
What does any number that has a five in the ones place have in common?
Numbers ending in 0 or 5 are divisible by 5.
Is it true or false that all numbers with a 0 in the ones' place are composite numbers?
It is true (as long as there are no decimal places after the ones place) because those numbers will always be divisible by 2, 5, and 10. With exception of the number zero which is neither prime nor composite.
