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