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