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