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