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