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