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