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