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