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