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