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