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