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