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