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