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