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