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