# Prime Numbers, Prime Factors and HCF and LCM

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• Created by: Aysh123
• Created on: 25-05-14 08:01
What is a prime number?
A number only divisible by itself and 1 (which does NOT include 1)
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What is a factor?
a number or quantity that when multiplied with another produces a given number or expression.
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What is a multiple?
a number that can be divided by another number without a remainder
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What is the highest common factor?
the highest number that can be divided exactly into each of two or more numbers.
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What is the lowest common multiple?
the lowest quantity that is a multiple of two or more given quantities (e.g., 12 is the lowest common multiple of 2, 3, and 4).
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Find the HCF and LCM for 90 and 175
HCF= 5 LCM= 3150
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What are the prime factors of a number?
The prime numbers that divide into the number exactly
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What is a product of prime factors?
A number as prime factors
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## Other cards in this set

### Card 2

#### Front

What is a factor?

#### Back

a number or quantity that when multiplied with another produces a given number or expression.

### Card 3

#### Front

What is a multiple?

### Card 4

#### Front

What is the highest common factor?

### Card 5

#### Front

What is the lowest common multiple?