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