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