Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {5, 8, 29, 13, 3, 2} → ______
- Prime numbers in {27, 8, 5, 3, 21, 13} → ______
- Prime numbers in {9, 25, 15, 27, 12, 23} → ______
- Prime numbers in {11, 2, 7, 23, 15, 3} → ______
- Prime numbers in {13, 29, 12, 8, 17, 21} → ______
- Prime numbers in {11, 29, 8, 23, 2, 19} → ______
- Prime numbers in {11, 9, 23, 3, 12, 29} → ______
- Prime numbers in {21, 5, 15, 23, 13, 27} → ______
- Prime numbers in {29, 12, 11, 15, 9, 17} → ______
- Prime numbers in {3, 13, 8, 27, 21, 9} → ______
- Prime numbers in {23, 17, 5, 29, 21, 27} → ______
- Prime numbers in {7, 12, 8, 29, 15, 27} → ______
- Prime numbers in {13, 7, 12, 27, 9, 3} → ______
- Prime numbers in {27, 13, 23, 29, 3, 2} → ______
- Prime numbers in {12, 21, 29, 11, 9, 23} → ______
- Prime numbers in {23, 7, 8, 15, 9, 27} → ______
- Prime numbers in {12, 13, 17, 25, 27, 7} → ______
- Prime numbers in {3, 2, 23, 19, 9, 27} → ______
- Prime numbers in {7, 21, 13, 9, 8, 17} → ______
- Prime numbers in {9, 3, 29, 23, 17, 19} → ______