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