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