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