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