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