# Unit 1: Math

by
**WizHorse**

Last updated 6 years ago

** Discipline: **

Math ** Subject: **

Number Operations
** Grade:**

7

Unit 1:

Math

Prime Numbers

Exponents

An exponent is a number that multiplies itself due to a powerExample:3 to the power of 4= 3x3x3x3= 81

Prime Numbers:A number that has only the factors 1 and itselfExample: 1, 2, 3, 5, 7, 11, 13, 17 ect...

GCF

GCF or greatest common factor is the largest possible divisor that 2 or more numbers have in common. The example above shows 4 is the GCF of 12 and 16

LCM

LCM or least common multiple is the smallest multiple 2 or more numbers share. The example above shows 24 is the LCM of 2, 3,4, 6 and 8

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