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 {8, 3, 27, 29, 2, 5} → ______
- Prime numbers in {2, 15, 5, 7, 19, 27} → ______
- Prime numbers in {12, 13, 21, 27, 7, 9} → ______
- Prime numbers in {3, 29, 8, 25, 13, 5} → ______
- Prime numbers in {3, 2, 15, 23, 12, 27} → ______
- Prime numbers in {11, 21, 17, 9, 29, 7} → ______
- Prime numbers in {12, 5, 13, 21, 9, 23} → ______
- Prime numbers in {8, 5, 17, 27, 7, 23} → ______
- Prime numbers in {8, 9, 21, 27, 25, 13} → ______
- Prime numbers in {2, 8, 23, 19, 3, 15} → ______
- Prime numbers in {29, 25, 23, 15, 8, 11} → ______
- Prime numbers in {12, 13, 11, 29, 2, 27} → ______
- Prime numbers in {25, 27, 15, 19, 2, 7} → ______
- Prime numbers in {27, 12, 15, 11, 17, 7} → ______
- Prime numbers in {8, 12, 29, 9, 2, 15} → ______
- Prime numbers in {12, 2, 29, 27, 9, 5} → ______
- Prime numbers in {3, 7, 27, 25, 12, 29} → ______
- Prime numbers in {23, 25, 27, 12, 11, 3} → ______
- Prime numbers in {15, 2, 23, 25, 21, 17} → ______
- Prime numbers in {23, 15, 7, 17, 11, 29} → ______