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