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