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