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