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