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