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