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