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