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