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