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