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