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