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