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