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