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