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