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