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