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