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