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