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