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