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