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