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