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