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