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