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