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