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