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