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