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