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