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