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