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