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