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