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