Numbers that end with 1, 3, 5, 7 or 9 are
odd numbers
The product of an odd number and even number is always _______number
an odd number
The only prime number that is even
2
The least number of factors composite numbers have
3
Which of these are triangular numbers? (2, 4, 6, 10, 11)
6 and 10
The sum of two odd numbers is always ________
an even number
The sum of two even numbers is always
an even number
Prime numbers have two factors. What are they?
itself and one
The factors of 27 are
1, 3, 9, 27
The set of numbers(1, 2, 3, 4, 5,...) can be categorized as
counting or natural numbers
The product of two odd numbers 3 and 7 is?___
21
The next numbers in the sequence 66,64,62, ___, ___
60 and 58
All are prime numbers except 17, 29, 47,63
63
All these numbers (7, 9,24, 27) are composite except
7
What is the square root of 9?
3
The next odd number in the sequence 111, 333, 555,____
777
What are the digits at the end of an even number
0, 2, 4,6or 8
Number of prime numbers between 7 and 17
There are 2 prime numbers between 7 and 17. They are 11, 13
The numbers in this list that is not composite (54, 55, 56,57,58)
57
The numbers 0, 1, 2, 3, and 4 ..... are categorized as
whole numbers
All of these numbers ( 65,99,45,56)are odd except
56
All of these numbers (41, 14, 84 38) are even except
41
The next prime number in the sequence is 2,3,5,7,9,
11
All composite numbers can be written as the _____ of prime numbers
Product
Which option is correct? 63 is the same as (6 x 3 .............6 x 6 x 6...........6 + 3)
6 x 6 x 6