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