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