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