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