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