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