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