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