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