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