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