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