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