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