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