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