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