Math Concepts and Apps - Level 5

Prime Numbers

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

Composite Numbers

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39

even numbers

Any number that can be exactly divided by 2 is called as an even number. Even numbers always end up with the last digit as 0, 2, 4, 6 or 8.

35

Composite ( 1, 5, 7, 35)

odd numbers

Odd numbers have the digits 1, 3, 5, 7 or 9 in their ones place.

17

Prime ( 1, 17)

51

Prime ( 1, 51)

Composite

composite numbers can be defined as the whole numbers that have more than two factors.

48

even, and composite

41

odd, and prime

Prime

whole numbers greater than 1, that have only two factors - 1 and the number itself.