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