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