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