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