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