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prime numbers

QuestionAnswer
List the first 5 prime numbers. 2, 3, 5, 7, 11
List the first 5 even numbers. 2, 4, 6, 8, 0
314 is an even number. Why or why not. True or False True The last digit is an even number.
Any number ending in 0 or 5 can be divided by the prime number 5. True or False True
Which of the following numbers can not be divided by the prime number 5? 15, 330, 75, 235, 65, 37 Why? 37 Because the last digit in 37 is not 0 or 5.
Which of the following is not an even number. 14, 34, 372, 92, 66, 81 Why? 81 Because the last digit in the number 81 is not an even number.
List the first 10 multiples of 3. 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
The prime number 3 can be divided into any number whose digits add up to a multiple of 3. Take the number 72. The digits 7 and 2 add up to 9. Is 9 a multiple of 3. Yes
Can any number that is a multiple of 3 be divided by 3? Yes! Remember, any number that you multiply by three is considered a multiple of 3. Ex. 5x3=15 15 is a multiple of 3.
Any number ending in 2, 4, 6, 8, 0 is an even number. True or False True
Which numbers can be divided by the prime number 3? 3, 9, 33, 96, 25, 12, 61, 54 3, 9, 33, 96, 12, 54
All the numbers that are not even are called odd numbers. True or False True 1, 3, 5, 7, 9, 11... These are some of the odd numbers.
Created by: John One
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