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