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