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