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